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About Pipe and Fittings
Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Front and Back Sleeves for Yor-Lok Fittings for Steel Tubing

- For Use With: Air, Mineral Oil, Fuel Oil, Gasoline, Diesel Fuel, Cutting Oil, Hydraulic Fluid
- Temperature Range: -20° to 800° F
- Tubing: Use with seamless steel
- 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 steel tubing. They are also known as ferrules.
Zinc-plated steel sleeves have fair corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Front Sleeve Material | Back Sleeve Material | Max. Pressure | Each | |
| 12mm | 1mm | Zinc-Plated Steel | 316 Stainless Steel | 2,700 psi @ 72° F | 4292N117 | 00000 |
| 15mm | 1.5mm | Zinc-Plated Steel | 316 Stainless Steel | 3,300 psi @ 72° F | 4292N118 | 0000 |
| 16mm | 1.5mm | Zinc-Plated Steel | 316 Stainless Steel | 3,000 psi @ 72° F | 4292N119 | 0000 |
| 18mm | 1.5mm | Zinc-Plated Steel | 316 Stainless Steel | 2,700 psi @ 72° F | 4292N121 | 0000 |

























