P/N: ms28775-254
Category: O-Rings
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 10 Available |
The MS28775-254 is a nitrile rubber O-ring conforming to Military Standard MS28775 and AS568 sizing conventions. This preformed seal provides static sealing in aerospace hydraulic assemblies, component glands, fittings, and valve covers. Manufactured from Buna-N compound for compatibility with petroleum-based hydraulic fluids across typical aircraft operating temperatures.
Installation requires lubrication with system fluid and verification of dash size per the aircraft maintenance manual. Commonly used in general aviation and commercial aircraft hydraulic systems where reliable, maintenance-free sealing is required.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The MS28775-254 is a nitrile rubber O-ring conforming to Military Standard MS28775 and AS568 sizing conventions. This preformed seal provides static sealing in aerospace hydraulic assemblies, component glands, fittings, and valve covers.
Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The ORING meets aviation specifications for its intended use. Contact us for specific material data.
Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the ms28775-254.
Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the ms28775-254.