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NUT (P/N ms14145-4) - New, New Surplus

P/N: ms14145-4

Category: Nuts

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In Stock (9 available)
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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 4 Available
New Surplus 5 Available

Product Description

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.

Frequently Asked Questions

What is the NUT (P/N ms14145-4)?

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.

What conditions is the ms14145-4 available in?

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.

How do I get pricing for the ms14145-4?

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.

Do you offer expedited shipping for the ms14145-4?

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.

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