RETAINER (P/N ms28782-32) - New Surplus
P/N: ms28782-32
Category: Fasteners & 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 | 1 Available |
Product Description
The MS28782-32 is a PTFE packing retainer (back-up ring) that prevents O-ring extrusion under hydraulic pressure. This backup ring installs behind the primary seal in O-ring glands, maintaining seal integrity in high-pressure applications. Commonly used in aircraft hydraulic struts and actuators, including Cessna 182 nose gear assemblies.
The retainer conforms to MIL-R-8791 material specifications for PTFE construction. Install per the aircraft maintenance manual, positioning the backup ring to support the O-ring and limit deformation during system operation.
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 (P/N ms28782-32)?
The MS28782-32 is a PTFE packing retainer (back-up ring) that prevents O-ring extrusion under hydraulic pressure. This backup ring installs behind the primary seal in O-ring glands, maintaining seal integrity in high-pressure applications.
Does the ms28782-32 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The RETAINER 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 ms28782-32 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 ms28782-32.
Can I order the ms28782-32 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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