P/N: 21FK624
Category: Nuts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 5 Available |
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.
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.
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.
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.
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.