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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Yor-Lok Fittings for Stainless Steel Tubing
BSPP and UN/UNF
(SAE Straight) Male
Threads with Gasket
(SAE Straight) Male
Threads with Gasket
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
316 stainless steel fittings have excellent corrosion resistance.
BSPP and UN/UNF (SAE Straight) male threads have a gasket to protect against leaks. UN/UNF (SAE Straight) threads are also known as O-ring boss threads.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
BSPP and UN/UNF
(SAE Straight) Male
Threads with Gasket
(SAE Straight) Male
Threads with Gasket
- For Use With:
Inch:
NPT and BSPT Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
BSPP Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Mineral Oil, Water
UN/UNF (SAE Straight) Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil
Metric:
NPT, BSPT, and UN/UNF (SAE Straight) Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water - Tubing:
Inch:
NPT and UN/UNF (SAE Straight) Threads: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
BSPP and BSPT Threads: Use with seamless 304 or 316 stainless steel that meets ASTM A269
Metric:
NPT, BSPT, and UN/UNF (SAE Straight) Threads: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size  | Material | Gasket Material | Max. Pressure | Temp. Range, °F | Each | |
BSPP Threads | ||||||||
| 1/8" | 0.035" | 1/8 | 316 Stainless Steel | Fluoroelastomer Rubber | 6,000 psi @ 72° F | -15° to 400° | 00000000 | 000000 |
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
| 1/4" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
| 3/8" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,000 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
BSPT Threads | ||||||||
| 1/8" | 0.035" | 1/8 | 316 Stainless Steel | __ | 6,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | __ | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | __ | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/2 | 316 Stainless Steel | __ | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/2 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | __ | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | __ | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 12mm | 1mm to 2mm | 1/2 | 316 Stainless Steel | __ | 2,300 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
Straight Adapters, Tube × Female Threaded Pipe
- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Tubing:
Inch:
NPT Threads: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
BSPP and BSPT Threads: Use with seamless 304 or 316 stainless steel that meets ASTM A269
Metric:
NPT Threads: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Temp. Range, °F | Each | |
BSPP Threads | |||||||
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 000000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/2 | 316 Stainless Steel | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/2 | 316 Stainless Steel | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | 2,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | 2,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
BSPT Threads | |||||||
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/2 | 316 Stainless Steel | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
BSPP and UN/UNF
(SAE Straight) Male
Threads with Gasket
(SAE Straight) Male
Threads with Gasket
- For Use With:
NPT and BSPT Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
BSPP Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Mineral Oil, Water
UN/UNF (SAE Straight) Threads: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil - Tubing:
NPT and UN/UNF (SAE Straight) Threads: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
BSPP and BSPT Threads: Use with seamless 304 or 316 stainless steel that meets ASTM A269
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Gasket Material | Max. Pressure | Temp. Range, °F | Each | |
BSPP Threads | ||||||||
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 000000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
| 1/4" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
| 3/8" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,500 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,000 psi @ 72° F | -15° to 400° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,000 psi @ 72° F | -15° to 400° | 00000000 | 00000 |
BSPT Threads | ||||||||
| 1/8" | 0.035" | 1/8 | 316 Stainless Steel | __ | 6,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/8 | 316 Stainless Steel | __ | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/4" | 0.035" | 1/4 | 316 Stainless Steel | __ | 4,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/4 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 3/8 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 3/8" | 0.035" | 1/2 | 316 Stainless Steel | __ | 2,500 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/4 | 316 Stainless Steel | __ | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
| 1/2" | 0.035" | 1/2 | 316 Stainless Steel | __ | 2,000 psi @ 72° F | -420° to 1200° | 0000000 | 00000 |
Nuts
Use these nuts with Yor-Lok sleeves and fittings to create an extra-strong seal on stainless steel tubing. They are 316 stainless steel for excellent corrosion resistance.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/8" | 0.035" | 316 Stainless Steel | 6,000 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
| 1/4" | 0.035" | 316 Stainless Steel | 4,000 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
| 3/8" | 0.035" | 316 Stainless Steel | 2,500 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
| 12mm | 0.5mm | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
Front and Back Sleeves
Sleeves
Sleeves with Dispenser
Couple these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on stainless steel tubing. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
For Tube | Front Sleeve | Back Sleeve | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
Sleeves | |||||||||
| 1/8" | 0.035" | 316 Stainless Steel | 3/16" | 1 | 3/32" | 1 | 6,000 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 0.035" | 316 Stainless Steel | 3/16" | 1 | 3/32" | 1 | 4,000 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | 316 Stainless Steel | 3/16" | 1 | 3/32" | 1 | 2,500 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.035" | 316 Stainless Steel | 19/64" | 1 | 5/32" | 1 | 2,000 psi @ 72° F | 00000000 | 0000 |
| 12mm | 0.5mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,000 psi @ 72° F | 00000000 | 0000 |
Sleeves with Dispenser | |||||||||
| 1/8" | 0.035" | 316 Stainless Steel | 3/16" | 10 | 3/32" | 10 | 6,000 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 0.035" | 316 Stainless Steel | 3/16" | 10 | 7/64" | 10 | 4,000 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 0.035" | 316 Stainless Steel | 3/16" | 10 | 7/64" | 10 | 2,500 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 0.035" | 316 Stainless Steel | 9/32" | 10 | 5/32" | 10 | 2,000 psi @ 72° F | 00000000 | 00000 |
Sleeve and Nut Sets
Save time installing sleeves and nuts—these sets come oriented in the correct direction and order on a dispenser. To install them, slide off a set and place it on your tubing. Each front sleeve, back sleeve, and nut is made of 316 stainless steel for excellent corrosion resistance. Five sets of sleeves and nuts come on each dispenser. Sleeves are also known as ferrules.
For Tube | Front Sleeve | Back Sleeve | Nut | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Lg. | No. Included | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
Sets with Dispenser | |||||||||||
| 1/8" | 0.035" | 316 Stainless Steel | 3/16" | 5 | 3/32" | 5 | 15/32" | 5 | 6,000 psi @ 72° F | 0000000 | 000000 |
| 1/4" | 0.035" | 316 Stainless Steel | 3/16" | 5 | 7/64" | 5 | 1/2" | 5 | 4,000 psi @ 72° F | 0000000 | 00000 |
| 3/8" | 0.035" | 316 Stainless Steel | 3/16" | 5 | 7/64" | 5 | 9/16" | 5 | 2,500 psi @ 72° F | 0000000 | 00000 |
| 1/2" | 0.035" | 316 Stainless Steel | 9/32" | 5 | 5/32" | 5 | 11/16" | 5 | 2,000 psi @ 72° F | 0000000 | 00000 |
| 12mm | 1mm | 316 Stainless Steel | 7mm | 5 | 4mm | 5 | 17mm | 5 | 2,000 psi @ 72° F | 0000000 | 00000 |
PTFE Sleeves
PTFE sleeves are plastic instead of stainless steel, so they won’t damage tubing.
Tube Supports
Smooth
Barbed
Tube supports are recommended for soft plastic tubing to prevent the tube from collapsing.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | ID | Tube Support Material | Tube Support Style | Temp. Range, °F | Each | |
| 1/4" | 1/8" | 316 Stainless Steel | Smooth | -420° to 1200° | 00000000 | 00000 |
| 5/16" | 1/8" | 316 Stainless Steel | Barbed | -420° to 1200° | 00000000 | 0000 |
| 12mm | 8mm | 316 Stainless Steel | Barbed | -420° to 1200° | 00000000 | 0000 |
| 12mm | 10mm | 316 Stainless Steel | Barbed | -420° to 1200° | 00000000 | 0000 |
Yor-Lok Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ASME B31.3
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. Fittings are brass for good corrosion resistance. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Each | |
BSPP Threads | ||||||
| 6mm | 1mm | 1/4 | Brass | 2,030 psi @ 72° F | 00000000 | 000000 |
| 12mm | 1mm | 1/2 | Brass | 870 psi @ 72° F | 00000000 | 00000 |
BSPT Threads | ||||||
| 1/8" | 0.028" | 1/8 | Brass | 2,700 psi @ 72° F | 0000000 | 0000 |
| 1/4" | 0.035" | 1/8 | Brass | 1,600 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | 1/4 | Brass | 1,600 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | 1/2 | Brass | 1,600 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 0.035" | 1/4 | Brass | 1,000 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 0.035" | 1/2 | Brass | 1,000 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 0.049" | 1/4 | Brass | 800 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 0.049" | 1/2 | Brass | 800 psi @ 72° F | 00000000 | 00000 |
Front and Back Sleeves
Front Sleeve | Back Sleeve | |||||||
|---|---|---|---|---|---|---|---|---|
| For Tube OD | Sleeve Material | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
| 1/8" | Brass | 3/16" | 1 | 3/32" | 1 | 2,900 psi @ 72° F | 00000000 | 00000 |
| 1/4" | Brass | 3/16" | 1 | 3/32" | 1 | 1,600 psi @ 72° F | 00000000 | 0000 |
| 3/8" | Brass | 3/16" | 1 | 3/32" | 1 | 1,000 psi @ 72° F | 00000000 | 0000 |
| 1/2" | Brass | 19/64" | 1 | 5/32" | 1 | 800 psi @ 72° F | 00000000 | 0000 |
| 6mm | Brass | 5mm | 1 | 3mm | 1 | 2,030 psi @ 72° F | 00000000 | 0000 |
| 12mm | Brass | 7mm | 1 | 4mm | 1 | 870 psi @ 72° F | 00000000 | 0000 |
Front and Back Sleeves with Dispensers
Save time installing sleeves—these sets come oriented in the correct direction and order on a dispenser. To install them, slide off a set and place it on your tubing. Each set includes a front and back sleeve. The sleeves are also known as ferrules.
Front Sleeve | Back Sleeve | |||||||
|---|---|---|---|---|---|---|---|---|
| For Tube OD | Sleeve Material | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
| 1/8" | Brass | 3/16" | 10 | 7/64" | 10 | 2,800 psi @ 72° F | 00000000 | 000000 |
| 1/4" | Brass | 3/16" | 10 | 7/64" | 10 | 1,300 psi @ 72° F | 00000000 | 00000 |
| 3/8" | Brass | 3/16" | 10 | 7/64" | 10 | 1,100 psi @ 72° F | 00000000 | 00000 |
| 1/2" | Brass | 19/64" | 10 | 9/64" | 10 | 1,200 psi @ 72° F | 00000000 | 00000 |
Sleeve and Nut Sets with Dispensers
Save time installing sleeves and nuts—these sets come oriented in the correct direction and order on a dispenser. To install them, slide off a set and place it on your tubing. Each set includes a front sleeve, a back sleeve, and a nut. The sleeves are also known as ferrules.
Front Sleeve | Back Sleeve | Nut | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Lg. | No. Included | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
| 1/8" | Brass | 3/16" | 5 | 7/64" | 5 | 15/32" | 5 | 2,800 psi @ 72° F | 0000000 | 000000 |
| 1/4" | Brass | 3/16" | 5 | 7/64" | 5 | 1/2" | 5 | 1,300 psi @ 72° F | 0000000 | 00000 |
| 3/8" | Brass | 3/16" | 5 | 7/64" | 5 | 9/16" | 5 | 1,100 psi @ 72° F | 0000000 | 00000 |
| 1/2" | Brass | 3/16" | 5 | 7/64" | 5 | 11/16" | 5 | 1,200 psi @ 72° F | 0000000 | 00000 |
| 6mm | Brass | 5mm | 5 | 3mm | 5 | 13mm | 5 | 1,600 psi @ 72° F | 0000000 | 00000 |
| 12mm | Brass | 7mm | 5 | 4mm | 5 | 17mm | 5 | 1,150 psi @ 72° F | 0000000 | 00000 |
Tube Supports
Barbed
Smooth
For Tube | Tube Support | |||||
|---|---|---|---|---|---|---|
| OD | ID | Style | Material | Max. Pressure | Each | |
| 1/4" | 1/8" | Smooth | Brass | 1,300 psi @ 72° F | 0000000 | 00000 |
| 1/4" | 0.17" | Smooth | Brass | 1,300 psi @ 72° F | 0000000 | 0000 |
| 1/4" | 0.188" | Smooth | Brass | 1,300 psi @ 72° F | 0000000 | 0000 |
| 5/16" | 1/8" | Barbed | Brass | 1,300 psi @ 72° F | 0000000 | 0000 |
| 3/8" | 3/16" | Barbed | Brass | 1,100 psi @ 72° F | 0000000 | 0000 |
| 3/8" | 1/4" | Barbed | Brass | 1,100 psi @ 72° F | 0000000 | 0000 |
| 1/2" | 1/4" | Barbed | Brass | 1,200 psi @ 72° F | 0000000 | 0000 |
| 1/2" | 3/8" | Smooth | Brass | 800 psi @ 72° F | 0000000 | 0000 |
| 6mm | 4mm | Barbed | Brass | 1,600 psi @ 72° F | 0000000 | 0000 |
| 12mm | 8mm | Barbed | Brass | 1,150 psi @ 72° F | 0000000 | 0000 |
| 12mm | 10mm | Barbed | Brass | 1,150 psi @ 72° F | 0000000 | 0000 |
Yor-Lok Fittings for Steel Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil
- Tubing: Use with seamless steel
- Specifications Met: See table
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. Fittings are zinc-plated steel for fair corrosion resistance. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
BSPP Male Threads with Bonded Washer
For Tube | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Washer Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
BSPP Threads | |||||||||
| 6mm | 0.8mm | 1/8 | Zinc-Plated Steel | Buna-N Rubber, Steel | 4,400 psi @ 72° F | -20° to 212° | ASME B31.3 | 00000000 | 00000 |
| 6mm | 0.8mm | 1/4 | Zinc-Plated Steel | Buna-N Rubber, Steel | 4,400 psi @ 72° F | -20° to 212° | ASME B31.3 | 00000000 | 0000 |
BSPT Threads | |||||||||
| 6mm | 0.8mm | 1/8 | Zinc-Plated Steel | __ | 4,400 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
| 6mm | 0.8mm | 1/4 | Zinc-Plated Steel | __ | 4,400 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
| 8mm | 1mm | 1/8 | Zinc-Plated Steel | __ | 4,200 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
| 8mm | 1mm | 1/4 | Zinc-Plated Steel | __ | 4,200 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
Straight Adapters, Tube × Female Threaded Pipe
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
BSPP Threads | ||||||||
| 12mm | 1mm | 1/2 | Zinc-Plated Steel | 2,700 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 000000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
BSPT Threads | ||||||||
| 6mm | 0.8mm | 1/8 | Zinc-Plated Steel | 4,400 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 00000 |
Nuts
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
| 6mm | 0.8mm | Zinc-Plated Steel | 4,400 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 00000 |
| 8mm | 1mm | Zinc-Plated Steel | 4,200 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
| 12mm | 1mm | Zinc-Plated Steel | 2,700 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
Front and Back Sleeves
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Front Sleeve Material | Back Sleeve Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
| 6mm | 0.8mm | Zinc-Plated Steel | 316 Stainless Steel | 4,400 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 00000 |
| 8mm | 1mm | Zinc-Plated Steel | 316 Stainless Steel | 4,200 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |
| 12mm | 1mm | Zinc-Plated Steel | 316 Stainless Steel | 2,700 psi @ 72° F | -20° to 800° | ASME B31.3 | 00000000 | 0000 |