LOCKING KEY NUT (P/N 73563-21) - New
P/N: 73563-21
Category: Nuts
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 | 3 Available |
Product Description
The 73563-21 is a locking key nut designed to secure threaded joints against vibration in aircraft assemblies. This aerospace-grade fastener provides positive anti-rotation retention on single fasteners, such as bracket attachment points. Manufactured in steel construction per aerospace standards, the nut features a key slot mechanism that engages with a corresponding key to prevent loosening under flight vibration and operational stress.
Listed by Bombardier Learjet as OEM airframe hardware. Installation follows FAA AC 43.13-1B hardware practices, including prevailing-torque verification and proper torque application. Verify applicability in your aircraft's Illustrated Parts Catalog before use.
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 LOCKING KEY NUT (P/N 73563-21)?
The 73563-21 is a locking key nut designed to secure threaded joints against vibration in aircraft assemblies. This aerospace-grade fastener provides positive anti-rotation retention on single fasteners, such as bracket attachment points.
What conditions is the 73563-21 available in?
The 73563-21 is currently available in the following conditions: New. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the 73563-21?
The 73563-21 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 73563-21?
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.