Tube Stem Reducer - Stainless Steel Compression Fitting for plastic and metal tubings.

Metric and Imperial sizes available (see Size Chart). Our fittings are compatible with other brands such as Swagelok and Parker. Please see our catalog for other types of fittings.

Specifications Body Material 316 Stainless Steel Nut (NTC) is Silver Plated Back Ferrule (BFC) is surface hardened Operating Temperature -425°F to 600°F (-253°C to 315°C) Compatibility Swagelok®, Parker A-Lok, Let-Lock, Yor-Lock Service Steam, Air, Water Oil, Gasoline, Natural Gas Most solvents and acids that are compatible with 316SS Pressure Tube (OD) Maximum Pressure (PSI at 72°F) 1/16" 10,000 1/8" 2mm 8,800 3/16" 4mm 5,500 1/4" 6mm 4,200 5/16" 8mm 3,300 3/8" 10mm 2,800 1/2" 12mm 2,500 5/8" 16mm 2,300 3/4" 18mm 2,100 1" 20mm 1,900 Strength Testing In the strength test, STC Fittings out performed Tubes, where Tubes failed before STC Fittings when pressures were raised beyond the recommended Maximum Pressure.

Dimensions Tube Size (OD) Pipe Size Part No. A B C D E F G H 1/16" 1/8" TRC 1/16X1/8 29.2 25.4 8.6 10 3.18 1 1.59 10 1/16" 1/4" TRC 1/16X1/4 31.5 27.7 8.6 10 6.35 1 1.59 10 1/8" 1/16" TRC 1/8X1/16 29.0 20.3 12.7 10 1.59 0.7 3.18 12 1/8" 1/8" TRC 1/8X1/8 33.5 26.9 12.7 10 3.18 2 3.18 12 1/8" 1/4" TRC 1/8X1/4 36.0 29.5 12.7 10 6.35 3 3.18 12 1/8" 3/8" TRC 1/8X3/8 37.6 31.0 12.7 10 9.53 3 3.18 12 1/8" 1/2" TRC 1/8X1/2 44.2 37.6 12.7 14 12.7 3 3.18 12 1/4" 1/8" TRC 1/4X1/8 36.8 29.5 15.2 12 3.18 2 6.35 14 1/4" 1/4" TRC 1/4X1/4 38.1 31.8 15.2 12 6.35 4 6.35 14 1/4" 3/8" TRC 1/4X3/8 40.6 33.3 15.2 12 9.53 5 6.35 14 1/4" 1/2" TRC 1/4X1/2 46.2 38.9 15.2 14 12.7 5 6.35 14 1/4" 5/8" TRC 1/4X5/8 48.0 40.6 15.2 17 15.9 5 6.35 14 1/4" 3/4" TRC 1/4X3/4 47.0 40.4 15.2 19 19.1 5 6.35 14 3/8" 1/4" TRC 3/8X1/4 41.4 34.0 16.8 17 6.35 4 6.35 17 3/8" 3/8" TRC 3/8X3/8 43.2 35.8 16.8 17 9.53 7 9.53 17 3/8" 1/2" TRC 3/8X1/2 48.5 41.1 16.8 17 12.7 8 9.53 17 3/8" 5/8" TRC 3/8X5/8 50.3 42.9 16.8 17 15.9 8 9.53 17 3/8" 3/4" TRC 3/8X3/4 50.3 42.9 16.8 22 19.1 8 9.53 17 1/2" 1/4" TRC 1/2X1/4 45.0 34.8 22.8 22 6.35 4 12.7 22 1/2" 3/8" TRC 1/2X3/8 46.7 36.6 22.8 22 9.53 7 12.7 22 1/2" 1/2" TRC 1/2X1/2 52.3 42.2 22.8 22 12.7 10 12.7 22 1/2" 5/8" TRC 1/2X5/8 50.8 43.7 22.8 22 15.9 10 12.7 22 1/2" 3/4" TRC 1/2X3/4 53.8 43.7 22.8 22 19.1 10 12.7 22 1/2" 1" TRC 1/2X1 60.2 50.0 22.8 27 25.4 10 12.7 22 5/8" 3/4" TRC 5/8X3/4 54.6 44.5 24.4 24 19.1 12 15.9 27 5/8" 1" TRC 5/8X1 61.0 50.8 24.4 27 25.4 12 15.9 27 3/4" 1/2" TRC 3/4X1/2 54.6 44.5 24.4 27 12.7 10 19.1 30 3/4" 1" TRC 3/4X1 62.5 52.3 24.4 27 25.4 15 19.1 30 Tube Size (OD) Pipe Size Part No. A B C D E F G H 4mm 6mm TRC 4X6 37.1 30.5 13.7 10 6 3 4 12 6mm 8mm TRC 6X8 39.9 32.5 15.3 12 8 5 6 14 6mm 10mm TRC 6X10 40.7 33.3 15.3 12 10 5 6 14 6mm 12mm TRC 6X12 46.3 38.9 15.3 14 12 5 6 14 8mm 6mm TRC 8X6 40.3 32.8 16.2 14 6 5 8 17 8mm 10mm TRC 8X10 42.0 34.5 16.2 14 10 6 8 17 8mm 12mm TRC 8X12 47.6 40.1 16.2 14 12 6 8 17 10mm 6mm TRC 10X6 42.4 34.8 17.2 17 6 5 10 19 10mm 8mm TRC 10X8 43.4 35.8 17.2 17 8 6 10 19 10mm 12mm TRC 10X12 49.8 42.2 17.2 17 12 8 10 19 12mm 6mm TRC 12X6 44.9 34.8 22.8 22 6 5 12 22 12mm 8mm TRC 12X8 45.9 35.8 22.8 22 8 6 12 22 12mm 10mm TRC 12X10 46.7 36.6 22.8 22 10 8 12 22 Dimensions for Reference Use Only: Imperial fittings in mm, Metric fittings in mm, U.S.O.