Stainless Steel Compression Fittings & Barb Compression Fittings
Cost-Effective Components for Reliable Flow and Pressure Control
STC and All Air provide a complete line of Stainless Steel compression fittings and barb compression fittings, including both inch and metric sizes.
Explore STC Valves, Fittings, and Air Control Products
Stainless Steel Compression Fittings
Branch Tee
Sizes Available (Standard)
Tube OD 1/8″; Thread NPT1/8″
Tube OD 1/8″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/4″
Tube OD 5/16″; Thread NPT1/8″
Tube OD 5/16″; Thread NPT1/4″
Tube OD 5/16″; Thread NPT3/8″
Tube OD 3/8″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/4″
Tube OD 1/2″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/2″
Sizes Available (Metric)
Tube OD 6mm; Thread R1/4
Tube OD 6mm; Thread R3/8
Tube OD 8mm; Thread R1/8
Tube OD 8mm; Thread R1/4
Tube OD 12mm; Thread R1/4
Tube OD 12mm; Thread R3/8
Tube OD 12mm; Thread R1/2
Female Connector
Female Branch Tee
Sizes Available (Standard)
Tube OD 1/8″; Thread NPT1/8″
Tube OD 1/8″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/4″
Tube OD 1/2″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/2″
Male Connector
Sizes Available (Standard)
Tube OD 1/8″; Thread NPT1/8″
Tube OD 1/8″; Thread NPT1/4″
Tube OD 3/16″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT3/8″
Tube OD 5/16″; Thread NPT1/8″
Tube OD 5/16″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT1/8″
Tube OD 3/8″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT3/8″
Tube OD 3/8″; Thread NPT1/2″
Tube OD 1/2″; Thread NPT1/4″
Tube OD 1/2″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/2″
Tube OD 1/2″; Thread NPT3/4″
Sizes Available (Metric)
Tube OD 4mm; Thread M5
Tube OD 4mm; Thread R1/8
Tube OD 6mm; Thread M5
Tube OD 6mm; Thread R1/8
Tube OD 6mm; Thread R1/4
Tube OD 8mm; Thread R1/8
Tube OD 8mm; Thread R1/4
Tube OD 8mm; Thread R3/8
Tube OD 10mm; Thread R1/8
Tube OD 10mm; Thread R1/4
Tube OD 10mm; Thread R3/8
Tube OD 10mm; Thread R1/2
Tube OD 12mm; Thread R1/4
Tube OD 12mm; Thread R3/8
Tube OD 12mm; Thread R1/2
Male Elbow
Sizes Available (Standard)
Tube OD 1/8″; Thread NPT1/8″
Tube OD 1/8″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT3/8″
Tube OD 5/16″; Thread NPT1/8″
Tube OD 5/16″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT1/8″
Tube OD 3/8″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT3/8″
Tube OD 3/8″; Thread NPT1/2″
Tube OD 1/2″; Thread NPT1/4″
Tube OD 1/2″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/2″
Tube OD 1/2″; Thread NPT3/4″
Sizes Available (Metric)
Tube OD 6mm; Thread M5
Tube OD 6mm; Thread R1/8
Tube OD 6mm; Thread R1/4
Tube OD 8mm; Thread R1/8
Tube OD 8mm; Thread R1/4
Tube OD 8mm; Thread R3/8
Tube OD 8mm; Thread R1/2
Tube OD 10mm; Thread R1/4
Tube OD 10mm; Thread R3/8
Tube OD 12mm; Thread R1/4
Tube OD 12mm; Thread R3/8
Tube OD 12mm; Thread R1/2
Run Tee
Sizes Available (Standard)
Tube OD 1/8″; Thread NPT1/8″
Tube OD 1/8″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT1/8″
Tube OD 1/4″; Thread NPT1/4″
Tube OD 1/4″; Thread NPT3/8″
Tube OD 3/8″; Thread NPT1/4″
Tube OD 3/8″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT3/8″
Tube OD 1/2″; Thread NPT1/2″
Bulkhead Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Elbow Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Tube OD 10mm
Tube OD 12mm
Straight Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm
Tee Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Tube OD 8mm
Cross Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Reducing Union
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 3/8
Tube OD 1/2
Cap
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Back Ferrule
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 4mm
Tube OD 6mm
Tube OD 8mm
Tube OD 12mm
Front Ferrule
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm
Nut
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Tube OD 8mm
Tube OD 10mm
Tube OD 12mm
Plug
Sizes Available (Standard)
Tube OD 1/8
Tube OD 1/4
Tube OD 5/16
Tube OD 3/8
Tube OD 1/2
Sizes Available (Metric)
Tube OD 6mm
Tube Stem Reducer
Sizes Available (Standard)
1/8X1/16
1/8X1/8
1/8X1/4
1/4X1/8
1/4X1/4
1/4X3/8
1/4X1/2
5/16X1/4
3/8X1/4
3/8X3/8
3/8X1/2
1/2X1/2
Tube X Male Pipe (Butt Weld)
Sizes Available (Standard)
1/8X1/8
1/4X1/8
1/4X1/4
5/16X1/4
3/8X1/4
3/8X3/8
3/8X1/2
1/2X1/2
Stainless Steel Barb Compression Fittings
Male Branch Tee Swivel
Tube OD 1/4″; Thread N1/8
Tube OD 1/4″; Thread N1/4
Female Connector
Male Connector
Male Elbow Swivel Connector
Bulkhead Union
Elbow Union
Straight Union
Tee Union
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