WASHER 3/8 (P/N sp123j) - New Surplus

The sp123j is a 3/8-inch flat washer for aircraft structural fastening. This washer provides a smooth bearing surface under bolt heads and nuts, distributing load across a wider area to prevent surface damage and fastener loosening. Constructed from steel or aluminum per AN960-616/NAS1149 specifications, it aligns with standard aerospace dimensional families.

Install directly under the bolt head or nut during assembly of structural brackets, equipment mounts, and component attachments. The washer compensates for grip variations and protects underlying surfaces during installation and maintenance operations.

What is the WASHER 3/8 (P/N sp123j)?

The sp123j is a 3/8-inch flat washer for aircraft structural fastening. This washer provides a smooth bearing surface under bolt heads and nuts, distributing load across a wider area to prevent surface damage and fastener loosening.

Does the sp123j meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The WASHER 3/8 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 sp123j 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 sp123j.

Can I order the sp123j in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER 3/8 is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.