BOLT,CLOSE TOLERANCE (P/N an173-16a) - New Surplus

The AN173-16A is a close-tolerance hex-head bolt manufactured from alloy steel for precision structural applications. This bolt maintains a controlled shank-to-hole fit to minimize joint movement and slippage in critical airframe assemblies. Installed in structural joints where dimensional accuracy directly affects load distribution and component alignment, the AN173-16A requires proper fitting and torquing per aircraft maintenance manual specifications.

Installation uses approved tools and follows AN standard fastening practices to ensure consistent clamping force and structural integrity.

What is the BOLT,CLOSE TOLERANCE (P/N an173-16a)?

The AN173-16A is a close-tolerance hex-head bolt manufactured from alloy steel for precision structural applications. This bolt maintains a controlled shank-to-hole fit to minimize joint movement and slippage in critical airframe assemblies.

Does the an173-16a 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 an173-16a 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 an173-16a.

Can I order the an173-16a 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.