WASHER (P/N 0000402390) - New Surplus

The 0000402390 is an aerospace flat washer designed to distribute load and protect bearing surfaces in bolted joints. Manufactured from aerospace-grade steel or stainless steel, this washer conforms to AN/MS/NAS standards for dimensions and material properties. Install under bolt heads or nuts in airframe and engine hardware stack-ups to spread clamping force across component surfaces.

Follow aircraft maintenance manual specifications and FAA AC 43.13 guidance for proper torque application and installation procedures.

What is the WASHER (P/N 0000402390)?

The 0000402390 is an aerospace flat washer designed to distribute load and protect bearing surfaces in bolted joints. Manufactured from aerospace-grade steel or stainless steel, this washer conforms to AN/MS/NAS standards for dimensions and material properties.

Does the 0000402390 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 0000402390 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 0000402390.

Can I order the 0000402390 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.