PACKING,PREFORMED (P/N ms28778-2) - New Surplus
P/N: ms28778-2
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 | 2 Available |
Product Description
The MS28778-2 is a preformed nitrile rubber O-ring designed for straight-thread tube and boss fittings in aircraft hydraulic systems. This packing seals at the boss face where tubing connects to component ports, preventing fluid leakage under system pressure. Manufactured to MS28778 specifications per MIL-P-5510 elastomer standards, it withstands hydraulic fluid exposure and temperature cycling in general aviation and commercial aircraft.
Installation requires placing the O-ring in the fitting gland before torquing the connection per aircraft maintenance manual procedures. Verify dash size matches your specific fitting application.
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 ms28778-2)?
The MS28778-2 is a preformed nitrile rubber O-ring designed for straight-thread tube and boss fittings in aircraft hydraulic systems. This packing seals at the boss face where tubing connects to component ports, preventing fluid leakage under system pressure.
What material is the ms28778-2 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 ms28778-2 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 ms28778-2.
What is the shelf life of the ms28778-2?
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 ms28778-2.