BOLT,CLOSE TOLERANCE (P/N an174-24a) - New Surplus

The AN174-24A is a close-tolerance hex head bolt manufactured from alloy steel per Army-Navy (AN) standards. This fastener provides a precision fit in reamed airframe holes, creating an interference joint for structural applications. Used in primary structural shear connections on aircraft, the bolt requires accurate hole drilling and installation in reamed holes to achieve proper clamping force.

Torque specifications follow the aircraft maintenance manual or FAA AC 43.13-1B guidance. The close tolerance design ensures consistent load distribution in critical airframe joints.

What is the BOLT,CLOSE TOLERANCE (P/N an174-24a)?

The AN174-24A is a close-tolerance hex head bolt manufactured from alloy steel per Army-Navy (AN) standards. This fastener provides a precision fit in reamed airframe holes, creating an interference joint for structural applications.

Does the an174-24a meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT,CLOSE TOLERANCE 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 an174-24a 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 an174-24a.

Can I order the an174-24a in custom quantities?

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