RETAINER,PACKING (P/N ms28774-127) - New Surplus
P/N: ms28774-127
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 MS28774-127 is a PTFE packing retainer designed to prevent O-ring extrusion in high-pressure hydraulic glands. This single-turn backup ring sits adjacent to the O-ring within the groove, providing structural support under extreme pressure conditions. Built to MS28774 series specifications per SAE AS8791 standards, it's commonly installed in hydraulic fittings, actuator end caps, and pump assemblies.
Installation requires proper orientation and positioning per SAE AS8791 gland design guidelines and the applicable aircraft maintenance manual.
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 ms28774-127)?
The MS28774-127 is a PTFE packing retainer designed to prevent O-ring extrusion in high-pressure hydraulic glands. This single-turn backup ring sits adjacent to the O-ring within the groove, providing structural support under extreme pressure conditions.
Does the ms28774-127 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The RETAINER,PACKING 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 ms28774-127 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 ms28774-127.
Can I order the ms28774-127 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER,PACKING is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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