NUT,PLAIN,CASTELLATED,HEX (P/N an320-1) - New Surplus
P/N: an320-1
Category: Nuts
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 | 16 Available |
Product Description
The AN320-1 is a plain steel castellated hex nut with 6-40 UNF threads designed for cotter-pinned aircraft bolt joints in shear-only service. The castellated design features notches around the hex head to accommodate a cotter pin, preventing accidental loosening during vibration and flight operations. Used on control-system clevis bolts and drilled-shank bolts where shear loads predominate.
Installation requires tightening to snug condition followed by cotter pin insertion through the bolt shank and nut castellations. Meets AN standard specifications for aerospace fastener applications.
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 NUT,PLAIN,CASTELLATED,HEX (P/N an320-1)?
The AN320-1 is a plain steel castellated hex nut with 6-40 UNF threads designed for cotter-pinned aircraft bolt joints in shear-only service. The castellated design features notches around the hex head to accommodate a cotter pin, preventing accidental loosening during vibration and flight operations.
What conditions is the an320-1 available in?
The an320-1 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 an320-1?
The an320-1 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 an320-1?
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.