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The Haskel MS28774-134 Back-Up O-ring Pack of 10 is a structural support ring used with O-rings/seals to prevent extrusion at high pressures.Usually made of hardened elastomer or polymer, this ring enhances the effectiveness of primary seals.
Commonly installed behind O-rings in pumps, boosters, and valve assemblies.Essential in high-pressure sealing applications to increase life of seal systems.OEM quality ensures proper fit and performance.
- Genuine MS28774-134 specification back-up ring
- Prevents O-ring extrusion in high-pressure applications
- Improves sealing reliability and system longevity
- Precision-manufactured for consistent fit and performance
- Suitable for hydraulic and pneumatic systems
- Commonly used in Haskel pumps and booster assemblies
| Part Number | MS28774-134 |
| Type | Back-Up Ring (O-Ring Support Ring) |
| Diameter | As per MS28774-134 military standard size |
| Applications | Haskel pumps, boosters, valves, high-pressure hydraulic & pneumatic systems |