BOLT,CLOSE TOLERANCE (P/N an174-16) - New Surplus

The AN174-16 is a close tolerance hex head steel bolt designed for precision-fit applications in aircraft structural joints. This AN-series fastener features a controlled shank diameter that seats precisely in reamed holes, ensuring exact alignment without radial play. Used in high-shear skin-to-structure attachments and critical load-bearing connections where matched grip length and hole reaming are specified.

Installation requires reamed holes per aircraft maintenance manual standards and AN/MIL fastener specifications. The close tolerance design eliminates shimming and provides superior load distribution in precision structural assemblies.

What is the BOLT,CLOSE TOLERANCE (P/N an174-16)?

The AN174-16 is a close tolerance hex head steel bolt designed for precision-fit applications in aircraft structural joints. This AN-series fastener features a controlled shank diameter that seats precisely in reamed holes, ensuring exact alignment without radial play.

Does the an174-16 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 an174-16 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 an174-16.

Can I order the an174-16 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.