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Front and Back Sleeves for Yor-Lok Fittings for Stainless Steel Tubing

- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -420° to 1200° F
- Tubing: Use with seamless or welded 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
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 technical drawings and 3-D models, click on a part number.
For Tube | Front Sleeve | Back Sleeve | |||||||
---|---|---|---|---|---|---|---|---|---|
OD | Wall Thick. | Sleeve Material | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
Sleeves | |||||||||
12mm | 0.5mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,000 psi @ 72° F | 00000000 | 00000 |
14mm | 1.5mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,000 psi @ 72° F | 00000000 | 00000 |
15mm | 1 to 2 mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,100 psi @ 72° F | 00000000 | 0000 |
18mm | 1.5 to 2.5 mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,900 psi @ 72° F | 00000000 | 00000 |
20mm | 1.5 to 2.5 mm | 316 Stainless Steel | 7mm | 1 | 4mm | 1 | 2,600 psi @ 72° F | 0000000 | 00000 |
Sleeve and Nut Sets for Yor-Lok Fittings for Stainless Steel Tubing


- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -420° to 1200° F
- Tubing: Use with seamless or welded 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
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 | |||||||||||
12mm | 1mm | 316 Stainless Steel | 7mm | 5 | 4mm | 5 | 17mm | 5 | 2,000 psi @ 72° F | 0000000 | 000000 |
Sleeves for Compression Fittings for Copper Tubing

- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -65° to 200° F, except metric fittings are -40° to 250° F
- Tubing: Use with copper
- Specifications Met: UL listed, except for metric fittings
Use these sleeves with compression nuts and fittings to create a strong seal on copper tubing. They are brass for good corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube | ||||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Sleeve Material | Max. Pressure | Pkg. Qty. | Pkg. | |
8mm | Not Rated | Brass | 1,000 psi @ 72° F | 1 | 0000000 | 00000 |
Sleeves for Nickel-Plated Brass Compression Fittings for Copper Tubing

- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F
- Tubing: Use with copper
- Specifications Met: DIN 3861
Use these sleeves with compression nuts and fittings to create a strong seal on copper tubing. Made of brass, they gently bite into tubing as you tighten the nut, and have good corrosion resistance. All meet DIN 3861, which is an international standard for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||
---|---|---|---|---|---|
OD, mm | Wall Thickness, mm | Sleeve Material | Maximum Pressure | Each | |
6 | 1 | Brass | 2,500 psi @ 72° F | 00000000 | 00000 |
Front and Back Sleeves for 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
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on copper tubing. Sleeves are brass for good corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.

Front Sleeve | Back Sleeve | |||||||
---|---|---|---|---|---|---|---|---|
For Tube OD | Sleeve Material | Lg. | No. Included | Lg. | No. Included | Max. Pressure | Each | |
12mm | Brass | 7mm | 1 | 4mm | 1 | 870 psi @ 72° F | 00000000 | 00000 |
Sleeves for Brass Compression Tube Fittings for Air and Water

- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 1A-95A or-Rockwell 15T 1-15T 60) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
Use these sleeves with brass compression nuts and fittings to create a seal on plastic and rubber tubing.
Brass sleeves work best with nylon tubing. When using these sleeves with soft tubing such as polyethylene, polypropylene, and polyurethane tubing, you should use a tube support (not included).
For technical drawings and 3-D models, click on a part number.
For Tube | Sleeve | |||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Material | Max. Pressure | Temp. Range, °F | Each | |
8mm | 1mm | Brass | 1900 psi @ 72° F | -75° to 550° | 00000000 | 00000 |