WASHER (P/N an961-4) - New Surplus
P/N: an961-4
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 | 2 Available |
Product Description
The AN961-4 is a flat washer conforming to Aeronautical Standard specifications for No. 4 screw size fasteners. Manufactured from copper alloy, this washer distributes clamp load under bolt heads and nuts while protecting mating surfaces in aircraft structural assemblies.
Installed in airframe brackets, control surfaces, and panel attachments where load spreading prevents surface damage and ensures secure fastening. Installation follows FAA AC 43.13-1B hardware practices and applicable aircraft maintenance manuals. The washer's smooth bearing surface accommodates standard No.
4 hardware in general aviation and commercial aircraft applications.
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 an961-4)?
The AN961-4 is a flat washer conforming to Aeronautical Standard specifications for No. 4 screw size fasteners.
Does the an961-4 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 an961-4 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 an961-4.
Can I order the an961-4 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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