BOLT, MACHINE (P/N an4-20) - New Surplus
P/N: an4-20
Category: Bolts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 7 Available |
Product Description
The AN4-20 is a 1/4-inch hex head machine bolt with 28 UNF-3A threads manufactured to AN (Army-Navy) specifications, now maintained under NASM standards. Fabricated from alloy steel for strength and durability in aircraft structural and system assemblies. Used primarily in control linkage clevis joints and fastening applications throughout airframe MRO and production work.
Installation requires selecting proper grip length for the specific stack-up and using approved hardware per aircraft maintenance manual specifications. Verify part eligibility in the Illustrated Parts Catalog before installation.
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, MACHINE (P/N an4-20)?
The AN4-20 is a 1/4-inch hex head machine bolt with 28 UNF-3A threads manufactured to AN (Army-Navy) specifications, now maintained under NASM standards. Fabricated from alloy steel for strength and durability in aircraft structural and system assemblies.
What conditions is the an4-20 available in?
The an4-20 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 an4-20?
The an4-20 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 an4-20?
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.