NUT, HEX(S/L), 1/2-20THIN 250D (P/N an364-820a) - New Surplus
P/N: an364-820a
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 | 8 Available |
Product Description
The AN364-820A is a 1/2-20 UNF thin hex nut with a nonmetallic self-locking insert, manufactured from steel to Military Standard MS21083N8 specifications. This nut provides prevailing torque retention in shear-loaded airframe joints, preventing fastener loosening under vibration and flight loads. The nylon insert creates a locking action without requiring deformed threads, maintaining consistent torque values across multiple installation cycles.
Rated to 250°F, it installs on compatible 1/2-20 bolts and should be torqued per aircraft maintenance manual requirements. Commonly used in structural assemblies where reliable fastener security is critical.
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, HEX(S/L), 1/2-20THIN 250D (P/N an364-820a)?
The AN364-820A is a 1/2-20 UNF thin hex nut with a nonmetallic self-locking insert, manufactured from steel to Military Standard MS21083N8 specifications. This nut provides prevailing torque retention in shear-loaded airframe joints, preventing fastener loosening under vibration and flight loads.
What conditions is the an364-820a available in?
The an364-820a 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 an364-820a?
The an364-820a 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 an364-820a?
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.