WASHER (P/N an960-516) - New Surplus

The AN960-516 is a flat washer conforming to aeronautical standard AN960 for 5/16 inch fasteners. Manufactured from steel, this washer distributes clamp load under bolt heads and protects bearing surfaces in aircraft structural assemblies. The washer spreads fastening force across a wider area, reducing stress concentration in aluminum and composite airframe joints.

Installation follows standard aerospace practice per FAA AC 43.13-1B, positioning the washer between the bolt head and the surface being fastened. Common in wing root attachments, fuselage skin fastening, and control surface hinges on general and commercial aircraft.

What is the WASHER (P/N an960-516)?

The AN960-516 is a flat washer conforming to aeronautical standard AN960 for 5/16 inch fasteners. Manufactured from steel, this washer distributes clamp load under bolt heads and protects bearing surfaces in aircraft structural assemblies.

Does the an960-516 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 an960-516 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 an960-516.

Can I order the an960-516 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.