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LOCK NUT (P/N 21FK624) - New Surplus

P/N: 21FK624

Category: Nuts

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In Stock (5 available)
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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 5 Available

Product Description

The 21FK624 is a self-locking prevailing-torque nut designed to resist vibration-induced loosening in aircraft structural assemblies. This lock nut conforms to AN/MS/NAS standards and maintains clamping force under dynamic conditions without requiring secondary safety devices. Installed in airframe joints, engine mounts, and control surface attachments where vibration exposure is significant.

Installation requires torque application to specified prevailing-torque values per the applicable aircraft maintenance manual and IPC compatibility verification.

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 LOCK NUT (P/N 21FK624)?

The 21FK624 is a self-locking prevailing-torque nut designed to resist vibration-induced loosening in aircraft structural assemblies. This lock nut conforms to AN/MS/NAS standards and maintains clamping force under dynamic conditions without requiring secondary safety devices.

What conditions is the 21FK624 available in?

The 21FK624 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 21FK624?

The 21FK624 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 21FK624?

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.

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