BOLT,CLOSE TOLERANCE (P/N an175-7) - New Surplus

The AN175-7 is a close tolerance hex head bolt manufactured from alloy steel with a precision-ground shank. It conforms to AN175 specifications with 5/16-24 UNF-3A threads for high-precision aerospace applications. This bolt installs in reamed airframe shear joints where minimal play and exact fit are critical to structural integrity.

Pair with the corresponding UNF nut and torque to aircraft maintenance manual specifications. The close tolerance design eliminates shimming and ensures consistent load distribution in primary structural connections.

What is the BOLT,CLOSE TOLERANCE (P/N an175-7)?

The AN175-7 is a close tolerance hex head bolt manufactured from alloy steel with a precision-ground shank. It conforms to AN175 specifications with 5/16-24 UNF-3A threads for high-precision aerospace applications.

Does the an175-7 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 an175-7 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 an175-7.

Can I order the an175-7 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.