NUT,SLFLKG,EXTD WASHER DOUBLE HEXA (P/N FN22-428) - New Surplus
P/N: FN22-428
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 | 2 Available |
Product Description
The FN22-428 is a self-locking double-hex nut with an extended washer conforming to SAE AS20625 specifications. This all-metal prevailing-torque fastener combines a 12-point nut head with an enlarged washer base to distribute load across a wider bearing surface. The integral locking mechanism prevents loosening from vibration without requiring nylon inserts.
Used in airframe structural attachments on Hawker 800/800XP/850XP/900XP business jets. Install and torque per aircraft maintenance manual requirements, verifying part number against the Illustrated Parts Catalog.
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,SLFLKG,EXTD WASHER DOUBLE HEXA (P/N FN22-428)?
The FN22-428 is a self-locking double-hex nut with an extended washer conforming to SAE AS20625 specifications. This all-metal prevailing-torque fastener combines a 12-point nut head with an enlarged washer base to distribute load across a wider bearing surface.
Does the FN22-428 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT,SLFLKG,EXTD WASHER DOUBLE HEXA 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 FN22-428 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 FN22-428.
Can I order the FN22-428 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT,SLFLKG,EXTD WASHER DOUBLE HEXA is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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