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WASHER (P/N 20891) - New Surplus

P/N: 20891

Category: Fasteners & Hardware

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In Stock (1 available)
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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 20891 is a flat washer that distributes fastener loads across mating surfaces in aircraft structures. This hardware component sits beneath bolt or screw heads to prevent surface damage and provide a smooth bearing surface during installation and operation. Typically manufactured from steel or aluminum per AN960 or NASM15795 specifications, depending on application requirements.

Install under fastener heads in airframe assemblies, observing specified torque values and verifying dimensions against the aircraft Illustrated Parts Catalog. Proper washer selection ensures load distribution and structural integrity in critical fastened joints.

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 WASHER (P/N 20891)?

The 20891 is a flat washer that distributes fastener loads across mating surfaces in aircraft structures. This hardware component sits beneath bolt or screw heads to prevent surface damage and provide a smooth bearing surface during installation and operation.

Does the 20891 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The WASHER 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 20891 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 20891.

Can I order the 20891 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.

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