NUT (P/N ms14145-4) - New, New Surplus
P/N: ms14145-4
Category: Fasteners & Hardware
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.
Does the ms14145-4 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the ms14145-4 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the ms14145-4.
Can I order the ms14145-4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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