WASHERS (P/N 628556) - New Surplus

Part 628556 is a general-purpose aircraft washer designed to distribute clamp load under bolt and screw heads while protecting mating surfaces. Manufactured to AN960 or NAS1149 specifications, these washers are available in aluminum, steel, or stainless steel depending on application requirements. Commonly installed in airframe structural joints, system brackets, and fastener assemblies throughout general aviation and commercial aircraft.

Installation requires matching washer size and material to the fastener and application per aircraft maintenance manual guidance. Proper washer selection prevents surface damage and ensures load distribution across joint interfaces.

What is the WASHERS (P/N 628556)?

Part 628556 is a general-purpose aircraft washer designed to distribute clamp load under bolt and screw heads while protecting mating surfaces. Manufactured to AN960 or NAS1149 specifications, these washers are available in aluminum, steel, or stainless steel depending on application requirements.

Does the 628556 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The WASHERS 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 628556 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 628556.

Can I order the 628556 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The WASHERS is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.