NUT (P/N a126d66) - New Surplus

The a126d66 is an aircraft nut designed to secure threaded fasteners in airframe assemblies. This hardware component threads onto bolts or studs to create permanent mechanical joints in structural and bracket attachments. Manufactured to AN, MS, or NAS specifications for aviation-grade reliability.

Installation requires proper torque application and, where specified, safety wire or locking methods per FAA AC 43.13-1B guidance. Verify part compatibility with your aircraft's maintenance documentation before use.

What is the NUT (P/N a126d66)?

The a126d66 is an aircraft nut designed to secure threaded fasteners in airframe assemblies. This hardware component threads onto bolts or studs to create permanent mechanical joints in structural and bracket attachments.

Does the a126d66 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 a126d66 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 a126d66.

Can I order the a126d66 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.