NUT: SELF-LKG (P/N 404-528) - New Surplus
P/N: 404-528
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 | 1 Available |
Product Description
The 404-528 is a self-locking nut designed to resist vibration-induced loosening in aircraft hardware assemblies. This steel nut provides prevailing torque that maintains fastener security without requiring lock washers or safety wire. Commonly used to secure brackets, clamps, and structural attachments on airframe components where fastener retention is critical.
Installation follows standard torque procedures per aircraft maintenance manuals and FAA AC 43.13 guidance. Avoid use in rotating-joint applications where prevailing torque could cause excessive friction.
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: SELF-LKG (P/N 404-528)?
The 404-528 is a self-locking nut designed to resist vibration-induced loosening in aircraft hardware assemblies. This steel nut provides prevailing torque that maintains fastener security without requiring lock washers or safety wire.
Does the 404-528 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT: SELF-LKG 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 404-528 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 404-528.
Can I order the 404-528 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT: SELF-LKG is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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