NUT (P/N an345-428) - New Surplus
P/N: an345-428
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 | 25 Available |
Product Description
The AN345-428 is a plain hex machine screw nut with 1/4-28 UNF threads conforming to Army-Navy specifications. This steel nut provides basic retention for machine screws and secondary fastening applications in non-structural aircraft assemblies. Commonly used for access panel attachment, instrument mounting, and component securing where vibration resistance is required.
Install per aircraft maintenance manual torque specifications or FAA AC 43.13-1B guidance when unspecified. Verify proper thread engagement during assembly to ensure secure retention.
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 an345-428)?
The AN345-428 is a plain hex machine screw nut with 1/4-28 UNF threads conforming to Army-Navy specifications. This steel nut provides basic retention for machine screws and secondary fastening applications in non-structural aircraft assemblies.
Does the an345-428 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 an345-428 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 an345-428.
Can I order the an345-428 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.
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