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Push-In Fittings/Compression Fittings

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STC and All Air provide a complete line of composite push to connect fittings, in both inch and metric sizes – including pneumatic connectors, branch tees, bulkhead fittings, control valves, unions, elbows, angles and manifolds. STC Push-In Fittings are affordable and dependable.

Product Lineup

Flow Control Valve (Inline)

STC Flow Control Valve (Inline)
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Bulkhead Union

STC Bulkhead Union
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Cross Union

STC Cross Union
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Elbow Union

STC Elbow Union
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Straight Union

STC Straight Union
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Tee Union

STC Tee Union
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Y Union


Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Elbow Reducer (Stem-Tube)

STC Elbow Reducer
Available Sizes (Standard)
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Plug In Elbow

STC Elbow Reducer
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 8mm

Male Manifold

STC Male Manifold
Available Sizes (Standard)
Tube OD 1/4″
Tube OD 5/16″
Tube OD 5/16″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 8mm
Tube OD 10mm

Manifold Union

STC Manifold Union
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 5/16″
Tube OD 3/8″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 8mm
Tube OD 10mm
Tube OD 10mm

Reduced Branch

STC Reduced Branch
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Reduced Union

STC Reduced Union
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 1/4″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 10mm
Tube OD 12mm

Tee Union Reducer

STC Tee Union Reducer
Available Sizes (Standard)
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Male Connector (with Internal Hex)

STC Male Connector (with Internal Hex)
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size NPT1/2
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/8
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Compact Male Connector (with Internal Hex)

STC Compact Male Connector (with Internal Hex)
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2

Male Elbow

STC Male Elbow
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size NPT1/2
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Branch Tee

STC Branch Tee
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Run Tee

STC Run Tee
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Y Connector

STC Y Connector
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 1/8″, Pipe Size NPT1/4
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Extended Elbow

STC Extended Elbow
Available Sizes (Standard)
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT3/8
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 6mm, Pipe Size R1/2
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Universal Elbow

STC Universal Elbow
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Female Connector

STC Female Connector
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT1/4
Tube OD 1/2″, Pipe Size NPT3/8
Available Sizes (Metric)
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Female Elbow

STC Female Elbow
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size 10-32UNF
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Bulkhead Connector

STC Bulkhead Connector
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 3/16″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/8
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Flow Control Valve (Meter-In Tube)

STC Flow Control Valve
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 6mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R3/8

Flow Control Valve (Meter-Out Tube)

STC Flow Control Valve
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32UNF
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32UNF
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 3/16″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size 10-32UNF
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/2
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2
Available Sizes (Metric)
Tube OD 4mm, Pipe Size M5X0.8
Tube OD 4mm, Pipe Size M6X1
Tube OD 4mm, Pipe Size R1/8
Tube OD 4mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size M5X0.8
Tube OD 6mm, Pipe Size M6X1
Tube OD 6mm, Pipe Size R1/8
Tube OD 6mm, Pipe Size R1/4
Tube OD 6mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/8
Tube OD 8mm, Pipe Size R1/4
Tube OD 8mm, Pipe Size R3/8
Tube OD 8mm, Pipe Size R1/2
Tube OD 10mm, Pipe Size R1/4
Tube OD 10mm, Pipe Size R3/8
Tube OD 10mm, Pipe Size R1/2
Tube OD 12mm, Pipe Size R1/4
Tube OD 12mm, Pipe Size R3/8
Tube OD 12mm, Pipe Size R1/2

Plug

STC Plug
Available Sizes (Standard)
Tube OD 1/8″
Tube OD 5/32″
Tube OD 3/16″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Stem Coupler

STC Stem Coupler
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Tube OD 1/2″
Available Sizes (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Stem Reducer

STC Stem Coupler
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm

Tube Reducer (Tube-Stem)

STC Tube Reducer
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 1/4″
Tube OD 5/16″
Tube OD 3/8″
Available Sizes (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm

Y Reducer (Tube-Stem)

STC Y Reducer
Available Sizes (Standard)
Tube OD 5/32″
Tube OD 1/4″
Tube OD 5/16″

Stack Elbow

STC Stack Elbow
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 5/16″, Pipe Size NPT3/8
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT3/8
Tube OD 1/2″, Pipe Size NPT1/2

Male Angle

STC Male Angle
Available Sizes (Standard)
Tube OD 1/8″, Pipe Size 10-32
Tube OD 1/8″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size 10-32
Tube OD 5/32″, Pipe Size NPT1/8
Tube OD 5/32″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT1/8
Tube OD 1/4″, Pipe Size NPT1/4
Tube OD 1/4″, Pipe Size NPT3/8
Tube OD 5/16″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT1/8
Tube OD 3/8″, Pipe Size NPT1/4
Tube OD 3/8″, Pipe Size NPT3/8

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