BOLT (P/N an3-21a) - New Surplus
P/N: an3-21a
Category: Bolts
Flat-rate shipping. Choose Ground or a faster service at checkout.
Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.
Available Inventory
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $0.90 | 26 Available |
Product Description
The AN3-21A is a hex-head airframe bolt manufactured from alloy steel with UNF Class 3A threads. This AN3/NASM3-conforming fastener features an undrilled shank designed for use with self-locking nuts in structural applications. Used to secure brackets and components in airframe assemblies, the bolt provides reliable fastening where vibration resistance is critical.
Installation requires a compatible self-locking nut and proper grip length selection. Torque specifications should follow the applicable aircraft maintenance manual for the airframe type.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the BOLT (P/N an3-21a)?
The AN3-21A is a hex-head airframe bolt manufactured from alloy steel with UNF Class 3A threads. This AN3/NASM3-conforming fastener features an undrilled shank designed for use with self-locking nuts in structural applications.
What conditions is the an3-21a available in?
The an3-21a 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 an3-21a?
The an3-21a 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 an3-21a?
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.