BOLT,CLOSE TOLERANCE (P/N an176-23) - New Surplus

The AN176-23 is a close tolerance hex head bolt with a drilled shank, manufactured to AN aeronautical standard specifications. This fastener provides precision fit for structural joints requiring minimal play, particularly in control surface hinge brackets and similar applications. The drilled shank allows safety wire installation per aircraft maintenance requirements.

Installation requires matched reamed holes to maintain tight tolerances and prevent shifting under flight loads. Torque specifications and installation procedures must follow the applicable aircraft maintenance manual and FAA-accepted practices for structural fasteners.

What is the BOLT,CLOSE TOLERANCE (P/N an176-23)?

The AN176-23 is a close tolerance hex head bolt with a drilled shank, manufactured to AN aeronautical standard specifications. This fastener provides precision fit for structural joints requiring minimal play, particularly in control surface hinge brackets and similar applications.

Does the an176-23 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 an176-23 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 an176-23.

Can I order the an176-23 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.