BOLT,CLOSE TOLERANCE (P/N an173-11a) - New Surplus

The AN173-11A is a steel hex-head bolt engineered to AN173 aeronautical standards for precision airframe assembly. This close-tolerance fastener features a controlled shank fit that minimizes joint movement in structural connections requiring tight tolerances. Designed for airframe joints where precision alignment is critical, the bolt performs under vibration and flight loads when installed with correct grip length and torque specifications.

Follow aircraft maintenance manual and FAA AC 43.13-1B guidance for installation to ensure airworthiness and structural integrity.

What is the BOLT,CLOSE TOLERANCE (P/N an173-11a)?

The AN173-11A is a steel hex-head bolt engineered to AN173 aeronautical standards for precision airframe assembly. This close-tolerance fastener features a controlled shank fit that minimizes joint movement in structural connections requiring tight tolerances.

Does the an173-11a 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 an173-11a 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 an173-11a.

Can I order the an173-11a 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.