NUT (P/N an363-428) - New Surplus
P/N: an363-428
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 | 104 Available |
Product Description
The AN363-428 is an all-metal self-locking hex nut with 1/4-28 threads and prevailing-torque design. This steel nut maintains bolt tension in high-temperature environments up to 450°F, making it suitable for engine compartment and firewall installations where nylon-insert nuts fail. The self-locking feature eliminates the need for safety wire or lock washers.
Install on undrilled bolts and torque per aircraft maintenance manual specifications. Equivalent to MS21045-4.
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 (P/N an363-428)?
The AN363-428 is an all-metal self-locking hex nut with 1/4-28 threads and prevailing-torque design. This steel nut maintains bolt tension in high-temperature environments up to 450°F, making it suitable for engine compartment and firewall installations where nylon-insert nuts fail.
What conditions is the an363-428 available in?
The an363-428 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 an363-428?
The an363-428 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 an363-428?
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.