COUPLING BOLT (P/N 1121-45041.14) - New Surplus

The 1121-45041.14 is a high-strength steel coupling bolt designed to clamp mating hubs and flanged couplings in aircraft mechanical assemblies. This fastener transmits torque across shaft, gearbox, and accessory coupling joints by securing aligned bolt holes with an approved locking device. Installation requires torque application per aircraft maintenance manual specifications and FAA AC 43.13-1B guidance.

Manufactured to aerospace bolt standards such as NASM21250 for tension strength and reliability in critical power transmission applications.

What is the COUPLING BOLT (P/N 1121-45041.14)?

The 1121-45041. 14 is a high-strength steel coupling bolt designed to clamp mating hubs and flanged couplings in aircraft mechanical assemblies.

Does the 1121-45041.14 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The COUPLING BOLT 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 1121-45041.14 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 1121-45041.14.

Can I order the 1121-45041.14 in custom quantities?

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