NUT (P/N a1639-16) - New Surplus

The a1639-16 is a standard aircraft nut for airframe and engine hardware retention. This fastener secures brackets, panels, and structural components using threaded engagement with corresponding bolts or screws. Conforming to aviation fastener standards common in Cessna service parts, the nut provides reliable load-bearing capability in mechanical assemblies.

Installation requires proper thread engagement and torque application per the aircraft maintenance manual. Verify part applicability against the aircraft Illustrated Parts Catalog before use to ensure compatibility with your specific airframe configuration.

What is the NUT (P/N a1639-16)?

The a1639-16 is a standard aircraft nut for airframe and engine hardware retention. This fastener secures brackets, panels, and structural components using threaded engagement with corresponding bolts or screws.

Does the a1639-16 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT 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 a1639-16 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 a1639-16.

Can I order the a1639-16 in custom quantities?

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