P/N: ms14145-4
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 | 4 Available |
| New Surplus | 5 Available |
The MS14145-4 is a steel self-locking castellated hex nut with 1/4-28 threads designed for permanent fastening in aircraft structures. This nut provides prevailing-torque retention through internal locking features, preventing loosening from vibration during flight operations. A cotter pin passes through the castle slots for positive mechanical locking on critical airframe bolted joints.
Rated to 450°F, it meets Military Standard MS14145 specifications. Installation requires matching the correct dash number to your airframe assembly and ensuring proper cotter pin engagement per the aircraft maintenance manual.
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 MS14145-4 is a steel self-locking castellated hex nut with 1/4-28 threads designed for permanent fastening in aircraft structures. This nut provides prevailing-torque retention through internal locking features, preventing loosening from vibration during flight operations.
The ms14145-4 is currently available in the following conditions: New, New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
The ms14145-4 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.