PACKING,PREFORMED (P/N ms28775-004) - New Surplus
P/N: ms28775-004
Category: Seals
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 21 Available |
Product Description
The MS28775-004 is a nitrile rubber preformed packing (O-ring) for aircraft hydraulic system sealing. This static seal operates to 275°F and conforms to Military Standard MS28775 dimensional specifications. Installed in hydraulic fittings and ports, it prevents fluid leakage in petroleum-based hydraulic systems like MIL-H-5606.
Installation requires a clean, lightly lubricated gland per aircraft maintenance manual guidance. The MS28775-004 provides reliable sealing in pressurized hydraulic circuits across general aviation and commercial aircraft.
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.
Frequently Asked Questions
What is the PACKING,PREFORMED (P/N ms28775-004)?
The MS28775-004 is a nitrile rubber preformed packing (O-ring) for aircraft hydraulic system sealing. This static seal operates to 275°F and conforms to Military Standard MS28775 dimensional specifications.
What material is the ms28775-004 made from?
Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The PACKING,PREFORMED meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28775-004 in bulk quantities?
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 ms28775-004.
What is the shelf life of the ms28775-004?
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 ms28775-004.
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