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

The AN174-24 is a close tolerance hex-head bolt with 1/4-28 UNF threads and a drilled shank for cotter pin retention. Manufactured from steel, this fastener meets AN standards for precision fit in reamed airframe holes. The bolt secures structural shear joints on aircraft frames where exact dimensional control is critical.

Installation requires placement in precision-reamed holes per aircraft maintenance manual specifications, with cotter pin locking when required by the applicable maintenance procedure.

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

The AN174-24 is a close tolerance hex-head bolt with 1/4-28 UNF threads and a drilled shank for cotter pin retention. Manufactured from steel, this fastener meets AN standards for precision fit in reamed airframe holes.

Does the an174-24 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 an174-24 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 an174-24.

Can I order the an174-24 in custom quantities?

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