BOLT (P/N an4-16) - New Surplus

The AN4-16 is a hex-head airframe bolt conforming to AN4/NASM4 specifications. Made from alloy steel with 1/4-28 UNF threads, this bolt features a defined grip section designed for shear joint applications. The precise bolt shank fit ensures proper load transfer in airframe bracket connections.

Installation requires the specified nut and locking method per FAA AC 43.13-1B guidance. Verify grip length and part eligibility in the aircraft Illustrated Parts Catalog before use in certificated aircraft structures.

What is the BOLT (P/N an4-16)?

The AN4-16 is a hex-head airframe bolt conforming to AN4/NASM4 specifications. Made from alloy steel with 1/4-28 UNF threads, this bolt features a defined grip section designed for shear joint applications.

What conditions is the an4-16 available in?

The an4-16 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 an4-16?

The an4-16 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 an4-16?

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.