System of Measurement System of Measurement |
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Connection Style Connection Style |
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Compression |
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Yor-Lok |
Type Type |
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![]() | Sleeve |
For Use With For Use With |
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Shape Shape |
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![]() | Straight |
Connection Type Connection Type |
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![]() | Tube |
Length Length | Show |
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Length Length | Hide |
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Maximum Pressure Maximum Pressure |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Maximum Vacuum Maximum Vacuum |
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For Tube Hardness For Tube Hardness |
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Sleeve Color Sleeve Color |
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![]() | White |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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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 | ||||||
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OD | Wall Thick. | Sleeve Material | Max. Pressure | Pkg. Qty. | Pkg. | |
3/16" | 0.03" | Brass | 400 psi @ 72° F | 10 | 000000000 | 00000 |
Front and Back Sleeves for Acid-Resistant Yor-Lok Fittings for Nickel Alloy Tubing

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydrofluoric Acid, Mineral Oil, Salt Water, Steam, Sulfuric Acid, Water
- Temperature Range: -325° to 900° F
- Tubing: Use with seamless soft 400 Nickel
- Specifications Met: ASTM B164
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these 400 nickel Monel sleeves with Yor-Lok nuts and fittings to create a strong, leak-resistant seal. They have the corrosion resistance to handle hydrofluoric and sulfuric acid. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube OD | Sleeve Material | Max. Pressure | Each | |
1/2" | 400 Nickel | 2,300 psi @ 72° F | 00000000 | 000000 |
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.
Acetal sleeves won’t damage tubing.
For technical drawings and 3-D models, click on a part number.
For Tube | Sleeve | |||||||
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OD | Wall Thick. | Material | Color | Max. Pressure | Temp. Range, °F | Pkg. Qty. | Pkg. | |
5/8" | 0.035" | Acetal Plastic | White | 150 psi @ 72° F | -65° to 250° | 10 | 000000000 | 000000 |
Sleeves for Quick-Assembly Brass Compression Tube Fittings for Air and Water

- Temperature Range: 0° to 150° F
- Tubing: Acetal plastic sleeves: Use with (firm or hard) polyethylene plastic or polypropylene plastic
Brass sleeves: Use with (firm or hard) nylon plastic, polyethylene plastic or polypropylene plastic
Use these to replace a damaged sleeve (ferrule) in quick-assembly brass compression nuts.
Brass sleeves have better durability than plastic sleeves.
For technical drawings and 3-D models, click on a part number.
Brass Sleeves | ||||
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For Tube OD | Max. Pressure | Pkg. Qty. | Pkg. | |
3/8" | 150 psi @ 72° F | 5 | 0000000 | 00000 |