RETAINER (P/N ms28782-18) - New, New Surplus
P/N: ms28782-18
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 | 3 Available |
| New Surplus | 44 Available |
Product Description
The MS28782-18 is a packing retainer/backup ring that secures O-rings within hydraulic seal glands. This metal ring prevents O-ring extrusion under system pressure, maintaining seal integrity in actuators, valves, and other pressurized components. Conforming to MS28782 military standard specifications, it installs behind the primary packing element in the groove.
Installation and inspection follow aircraft maintenance manual requirements and applicable MS standards for proper sealing performance.
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 ms28782-18)?
The MS28782-18 is a packing retainer/backup ring that secures O-rings within hydraulic seal glands. This metal ring prevents O-ring extrusion under system pressure, maintaining seal integrity in actuators, valves, and other pressurized components.
Does the ms28782-18 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 ms28782-18 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 ms28782-18.
Can I order the ms28782-18 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER is available in: New, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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