BOLT (P/N an5-4) - New Surplus

The AN5-4 is a hex-head aircraft bolt with 5/16-24 UNF-3A threads, manufactured from alloy steel to Army-Navy specifications. This fastener provides structural attachment for airframe brackets and components requiring high-strength, reliable fastening. The -4 designation indicates the bolt length, which must be verified against your aircraft maintenance data to ensure correct grip in the application.

Installation follows FAA AC 43.13-1B torque and safetying practices for airworthy hardware.

What is the BOLT (P/N an5-4)?

The AN5-4 is a hex-head aircraft bolt with 5/16-24 UNF-3A threads, manufactured from alloy steel to Army-Navy specifications. This fastener provides structural attachment for airframe brackets and components requiring high-strength, reliable fastening.

What conditions is the an5-4 available in?

The an5-4 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 an5-4?

The an5-4 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 an5-4?

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.