WASHER (P/N TRA1220) - New Surplus

The TRA1220 is a flat washer that distributes clamp load and protects bearing surfaces in aircraft fastener joints. Manufactured from steel, stainless steel, or aluminum per engineering specifications, this washer conforms to AN960/NAS1149 plain-washer standards. Install beneath the nut or fastener head in airframe and system assemblies, selecting thickness and inner/outer diameter to match the specified bolt size.

Proper washer selection prevents surface damage, reduces stress concentration, and maintains joint integrity under vibration and thermal cycling in flight operations.

What is the WASHER (P/N TRA1220)?

The TRA1220 is a flat washer that distributes clamp load and protects bearing surfaces in aircraft fastener joints. Manufactured from steel, stainless steel, or aluminum per engineering specifications, this washer conforms to AN960/NAS1149 plain-washer standards.

Does the TRA1220 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 TRA1220 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 TRA1220.

Can I order the TRA1220 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.