BOLT,CLOSE TOLERANCE (P/N an175-20a) - New Surplus

The AN175-20A is a close-tolerance hex-head aircraft bolt with 5/16-24 UNF threads and an undrilled shank. This AN175 series fastener provides precision fits in structural joints where the shank carries shear loads. Used in reamed holes to maintain tight tolerances and prevent movement under vibration and flight stress.

Install and torque per aircraft maintenance manual specifications. Verify compatibility with your aircraft's Illustrated Parts Catalog before installation.

What is the BOLT,CLOSE TOLERANCE (P/N an175-20a)?

The AN175-20A is a close-tolerance hex-head aircraft bolt with 5/16-24 UNF threads and an undrilled shank. This AN175 series fastener provides precision fits in structural joints where the shank carries shear loads.

What conditions is the an175-20a available in?

The an175-20a is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the an175-20a?

The an175-20a requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the an175-20a?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.