WASHER (P/N an975-4) - New Surplus

The AN975-4 is a recessed taper pin washer manufactured from steel to meet Aeronautical Standard specifications. This washer seats the head of AN386 taper pins and distributes load across tapered-joint assemblies in aircraft structures. Used in control-system linkages, flight surface connections, and other critical joints requiring positive load distribution.

Install the washer with its matching taper pin and nut, then torque and safety per the aircraft maintenance manual. The recessed design ensures proper engagement with the tapered pin head for secure, vibration-resistant connections.

What is the WASHER (P/N an975-4)?

The AN975-4 is a recessed taper pin washer manufactured from steel to meet Aeronautical Standard specifications. This washer seats the head of AN386 taper pins and distributes load across tapered-joint assemblies in aircraft structures.

Does the an975-4 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 an975-4 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 an975-4.

Can I order the an975-4 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.