P/N: ms21045-4
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 | 285 Available |
The MS21045-4 is a self-locking hexagon nut with 1/4-28 threads, manufactured from steel to meet MS21045 aerospace standards. It prevents fastener loosening through prevailing-torque retention, maintaining bolt security under vibration and operational stress. Commonly installed on engine accessories, airframe hardware, and structural assemblies where vibration resistance is critical.
Install to specified torque values per aircraft maintenance documentation and FAA AC 43.13-1B guidance for self-locking fasteners.
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 MS21045-4 is a self-locking hexagon nut with 1/4-28 threads, manufactured from steel to meet MS21045 aerospace standards. It prevents fastener loosening through prevailing-torque retention, maintaining bolt security under vibration and operational stress.
The ms21045-4 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
The ms21045-4 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.