BOLT,CLOSE TOLERANCE (P/N an174-27a) - New Surplus

The AN174-27A is a close tolerance hex-head bolt manufactured from steel per Army-Navy specifications. The undrilled shank design ('A' suffix) provides a solid fastening solution for precision aircraft joints. This bolt installs in reamed airframe attachment points to maintain tight fit and minimize movement between components.

Steel construction delivers the strength required for structural and mechanical fastening applications. Installation requires a clean, accurately sized hole and torque per the aircraft maintenance manual. Close tolerance design ensures repeatable fit across multiple fastening points.

What is the BOLT,CLOSE TOLERANCE (P/N an174-27a)?

The AN174-27A is a close tolerance hex-head bolt manufactured from steel per Army-Navy specifications. The undrilled shank design ('A' suffix) provides a solid fastening solution for precision aircraft joints.

Does the an174-27a 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 an174-27a 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 an174-27a.

Can I order the an174-27a 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.