BOLT,CLOSE TOLERANCE (P/N an175-12) - New Surplus

The AN175-12 is a close tolerance hex head bolt manufactured from alloy steel with a ground shank for precise diameter control. Designed for reamed-hole structural joints in aircraft airframes, this AN-standard fastener maintains tight tolerances required for shear load applications. Installation involves torquing per aircraft maintenance manual specifications and AN/MIL fastener practices.

Confirm dash number to ensure correct grip length for your specific joint thickness.

What is the BOLT,CLOSE TOLERANCE (P/N an175-12)?

The AN175-12 is a close tolerance hex head bolt manufactured from alloy steel with a ground shank for precise diameter control. Designed for reamed-hole structural joints in aircraft airframes, this AN-standard fastener maintains tight tolerances required for shear load applications.

Does the an175-12 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 an175-12 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 an175-12.

Can I order the an175-12 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.