WASHER (P/N an960-d4) - New Surplus

The AN960-D4 is an aluminum flat washer designed for #4 fasteners in aircraft structural assemblies. This washer distributes clamping loads under bolt heads and nuts, reducing bearing stress on materials and preventing fastener pull-through. Conforming to AN960 and NAS1149 standards, the aluminum construction provides lightweight durability in general aviation and maintenance applications.

Install per aircraft maintenance manual specifications, ensuring proper torque compliance and load distribution across joined surfaces.

What is the WASHER (P/N an960-d4)?

The AN960-D4 is an aluminum flat washer designed for #4 fasteners in aircraft structural assemblies. This washer distributes clamping loads under bolt heads and nuts, reducing bearing stress on materials and preventing fastener pull-through.

Does the an960-d4 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-d4 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-d4.

Can I order the an960-d4 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.