RETAINER, PACKING BACKUP (P/N ms28774-332) - New Surplus
P/N: ms28774-332
Category: Studs, Inserts & Fastener Hardware
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 MS28774-332 is a PTFE packing backup retainer designed to prevent O-ring extrusion under hydraulic pressure. This back-up ring installs adjacent to the O-ring in aircraft hydraulic glands, providing structural support and maintaining seal integrity in high-pressure applications. Manufactured to MS28774 specifications with single-turn scarf-cut dimensions for precise fit.
Installation requires proper orientation per component maintenance manual and AS4716/AS568 gland guidance to ensure effective sealing performance in aircraft hydraulic systems.
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 BACKUP (P/N ms28774-332)?
The MS28774-332 is a PTFE packing backup retainer designed to prevent O-ring extrusion under hydraulic pressure. This back-up ring installs adjacent to the O-ring in aircraft hydraulic glands, providing structural support and maintaining seal integrity in high-pressure applications.
Does the ms28774-332 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The RETAINER, PACKING BACKUP conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the ms28774-332 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the ms28774-332.
Can I order the ms28774-332 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER, PACKING BACKUP is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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