WASHER,FLAT (P/N nas1197-416) - New Surplus

The NAS1197-416 is a flat washer manufactured to National Aerospace Standard specifications for 1/4-inch fasteners. Constructed from aluminum alloy, this washer provides bearing surface and load distribution under bolt heads and nuts in aircraft structural and systems installations. The washer sits between the fastener and component surface to prevent surface damage and distribute clamping force across a wider area.

Installation follows aircraft maintenance manual procedures; verify size against the Illustrated Parts Catalog and torque fasteners to specification. Commonly used in general airframe hardware applications where corrosion resistance and lightweight properties are required.

What is the WASHER,FLAT (P/N nas1197-416)?

The NAS1197-416 is a flat washer manufactured to National Aerospace Standard specifications for 1/4-inch fasteners. Constructed from aluminum alloy, this washer provides bearing surface and load distribution under bolt heads and nuts in aircraft structural and systems installations.

Does the nas1197-416 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The WASHER,FLAT 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 nas1197-416 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 nas1197-416.

Can I order the nas1197-416 in custom quantities?

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