NUT (P/N ms21042-4) - New Surplus, New
P/N: ms21042-4
Category: Nuts
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Available Inventory
| Condition | Price | Stock |
|---|---|---|
| New Surplus | Quote | 97 Available |
| New | $0.49 | 200 Available |
Product Description
The MS21042-4 is an all-metal self-locking hex nut with reduced height, manufactured to MS/NASM21042 specifications. This steel nut features a 1/4-28 thread and prevailing-torque design that prevents loosening from vibration in high-temperature aerospace applications. The compact profile minimizes weight while maintaining secure fastening in engine compartments, structural assemblies, and systems exposed to thermal cycling.
Installation and replacement must follow aircraft maintenance manual requirements and NASM33588 limitations for self-locking nuts to ensure airworthiness and safety compliance.
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 NUT (P/N ms21042-4)?
The MS21042-4 is an all-metal self-locking hex nut with reduced height, manufactured to MS/NASM21042 specifications. This steel nut features a 1/4-28 thread and prevailing-torque design that prevents loosening from vibration in high-temperature aerospace applications.
What conditions is the ms21042-4 available in?
The ms21042-4 is currently available in the following conditions: New Surplus, New. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the ms21042-4?
The ms21042-4 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.
Do you offer expedited shipping for the ms21042-4?
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.