Description
Overview:
The Seal Ring 1/2" is a genuine Atlas Copco OEM sealing washer for hydraulic power packs, including the LP 9-20. It is a flat, ring-shaped copper alloy washer designed to provide a reliable crush seal at hydraulic connections, helping to prevent oil leaks and maintain pressure. Suited to heavy-duty site use, it supports the performance of pumps, manifolds, hoses and adapters found on compact power packs and associated hydraulic tools. The 1/2 inch (12.7 mm) size is commonly used across Atlas Copco portable hydraulic systems, offering dependable seating and compatibility with correctly matched fittings. Durable, heat and corrosion resistant, this seal ring is intended for precise, leak-free assembly and routine servicing where consistent sealing performance is critical to safe, efficient operation.
Key Features:
- Genuine Atlas Copco OEM part for assured compatibility and quality
- Size: 1/2 inch (12.7 mm) nominal for common hydraulic fittings
- Copper construction delivers a dependable crush seal and corrosion resistance
- Helps prevent fluid leaks and pressure loss in hydraulic circuits
- Precision dimensions for consistent seating under torque
- Quick to fit during hose, banjo or adapter replacement and servicing
- Robust design for demanding site conditions, vibration and heat
- Supports efficient operation of Atlas Copco LP-series power packs
Typical Applications:
Used at hydraulic hose ends, banjo bolts, pumps, valve blocks and manifold ports on portable power packs driving breakers, cut-off saws, core drills, submersible pumps and similar tools. Suitable for construction, utilities, plant hire fleets, and grounds maintenance where reliable hydraulic sealing reduces downtime and oil loss.
Also known as:
Sealing washer, copper crush washer, washer seal, compression washer, copper sealing washer, hydraulic sealing washer.
Fits Models:
LP 9-20, LP18-30E PAC, LP18-30EPAC, LP18-30PE PAC, LP18-30PEPAC, LP18-40E PAC, LP18-40EPAC, LP18-40PE PAC, LP18-40PEPAC, LP9-20, LP9-20E PAC, LP9-20EPAC, LP9-20El, LP9-20P PAC, LP9-20PPAC, LP920, LP920EL
Alternate Part Numbers:
3371805714
Product Specifications
| L&S Part No. | 3371 8057 14 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Atlas Copco |
| OEM No. | 3371805714 |
| Unit of Sale | 1 |
| Applications | LP 9-20, LP18-30E PAC, LP18-30EPAC, LP18-30PE PAC, LP18-30PEPAC, LP18-40E PAC, LP18-40EPAC, LP18-40PE PAC, LP18-40PEPAC, LP9-20, LP9-20E PAC, LP9-20EPAC, LP9-20El, LP9-20P PAC, LP9-20PPAC, LP920, LP920EL |
| Machine Type | Hydraulic Packs |
| Fits Models | LP18-40E PAC, LP18-30E PAC | LP18-40PE PAC, LP18-30PE PAC | LP9-20P PAC | LP9-20E PAC |
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