BOLT,CLOSE TOLERANCE (P/N an175-14) - New Surplus

The AN175-14 is a close-tolerance structural bolt with 5/16-24 UNF threads and a precision-drilled shank for cotter-pin retention. This AN-standard fastener maintains tight dimensional limits to minimize play in precision-reamed hinge fittings under shear loading. Installation requires matched holes, a castellated nut, and cotter pin per aircraft maintenance manual specifications.

Commonly used in control surface hinges, landing gear components, and structural joints where precise alignment and minimal movement are critical to airworthiness.

What is the BOLT,CLOSE TOLERANCE (P/N an175-14)?

The AN175-14 is a close-tolerance structural bolt with 5/16-24 UNF threads and a precision-drilled shank for cotter-pin retention. This AN-standard fastener maintains tight dimensional limits to minimize play in precision-reamed hinge fittings under shear loading.

Does the an175-14 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 an175-14 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 an175-14.

Can I order the an175-14 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.