WASHER, FIBER (P/N a-1020) - New Surplus

The a-1020 is a vulcanized fiber washer designed to electrically isolate fasteners in aircraft electrical assemblies. This nonconductive spacer prevents metal-to-metal contact between hardware and conductive structures, protecting sensitive circuits and components from unwanted current paths. Install under panel-mounted electrical fasteners, breakers, and switches to maintain electrical isolation.

Conforms to NAS549 and MIL-F-1148 specifications. Verify size and material compatibility in your aircraft's Illustrated Parts Catalog before installation.

What is the WASHER, FIBER (P/N a-1020)?

The a-1020 is a vulcanized fiber washer designed to electrically isolate fasteners in aircraft electrical assemblies. This nonconductive spacer prevents metal-to-metal contact between hardware and conductive structures, protecting sensitive circuits and components from unwanted current paths.

Does the a-1020 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The WASHER, FIBER 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 a-1020 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 a-1020.

Can I order the a-1020 in custom quantities?

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