NUT (P/N s21a103et) - New Surplus

The s21a103et is a steel aircraft nut designed to secure threaded fasteners in structural and systems assemblies. This fastener conforms to aerospace standards including AN, MS, NAS, or SAE AS specifications for reliable load-bearing connections. The nut provides positive mechanical locking and maintains clamping force under vibration and thermal cycling typical in aircraft environments.

Installation requires torquing to aircraft maintenance manual specifications and FAA AC 43.13 guidance. Replace only with approved equivalent hardware meeting the original specification.

What is the NUT (P/N s21a103et)?

The s21a103et is a steel aircraft nut designed to secure threaded fasteners in structural and systems assemblies. This fastener conforms to aerospace standards including AN, MS, NAS, or SAE AS specifications for reliable load-bearing connections.

Does the s21a103et 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 s21a103et 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 s21a103et.

Can I order the s21a103et 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.