RETAINER,PACKING (P/N ms28773-16) - New Surplus
P/N: ms28773-16
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 | 10 Available |
Product Description
The MS28773-16 is a packing retainer (back-up ring) that prevents O-ring extrusion under high pressure in hydraulic and pneumatic systems. This metal ring installs adjacent to the seal in tube-fitting glands, supporting the O-ring and containing it within the component cavity during operation. Manufactured to Military Standard MS28773 per SAE AS8791, the retainer maintains seal integrity in aircraft hydraulic lines and fluid system connections.
Installation follows component maintenance manual specifications for proper positioning and orientation.
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 RETAINER,PACKING (P/N ms28773-16)?
The MS28773-16 is a packing retainer (back-up ring) that prevents O-ring extrusion under high pressure in hydraulic and pneumatic systems. This metal ring installs adjacent to the seal in tube-fitting glands, supporting the O-ring and containing it within the component cavity during operation.
What material is the ms28773-16 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 RETAINER,PACKING meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28773-16 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 ms28773-16.
What is the shelf life of the ms28773-16?
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 ms28773-16.
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