BOLT,CLOSE TOLERANCE (P/N an173-10a) - New Surplus

The AN173-10A is a close-tolerance hex-head bolt designed for precision structural joints in aircraft airframes. Machined from steel with tight dimensional control, this fastener maintains minimal clearance between the bolt shank and mounting holes in critical assemblies. Used in airframe structural applications where precise fit is essential for load distribution and joint integrity.

Installation requires torquing per the aircraft maintenance manual and AN/NAS standards. Verify part compatibility with your aircraft's Illustrated Parts Catalog before use.

What is the BOLT,CLOSE TOLERANCE (P/N an173-10a)?

The AN173-10A is a close-tolerance hex-head bolt designed for precision structural joints in aircraft airframes. Machined from steel with tight dimensional control, this fastener maintains minimal clearance between the bolt shank and mounting holes in critical assemblies.

Does the an173-10a 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 an173-10a 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 an173-10a.

Can I order the an173-10a 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.