NUT (P/N an363-524) - New Surplus
P/N: an363-524
Category: Fasteners & Hardware
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 | 67 Available |
Product Description
The AN363-524 is an all-metal, self-locking hex nut with 5/16-24 threads designed for high-temperature aircraft applications. This nut provides prevailing torque without polymer inserts, maintaining vibration resistance up to approximately 450°F. Equivalent to MS21045-5 specification, it's used in airframe and engine bay hardware where secure fastening under thermal and vibration stress is critical.
Install and torque per aircraft maintenance manual requirements, replacing the nut if prevailing torque no longer meets specification.
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 an363-524)?
The AN363-524 is an all-metal, self-locking hex nut with 5/16-24 threads designed for high-temperature aircraft applications. This nut provides prevailing torque without polymer inserts, maintaining vibration resistance up to approximately 450°F.
Does the an363-524 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the an363-524 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the an363-524.
Can I order the an363-524 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.