nuts › plain hexagon nuts
MS14144-4
Castellated Nut
Description
Castellated Nut
Specifications
| Features | Lightweight |
|---|---|
| Industry Standards/Certification | MS14144 |
| Locking Feature | Prevailing torque all metal design |
| Lubricant | Non-Dry Lubricant |
| Lubrication | Soluble lubricant |
| Material | Steel |
| Maximum Dimension A | 0.420 in |
| Maximum Dimension H | 0.296 in |
| Maximum Dimension W | 0.315 in |
| Minimum Dimension B | 0.386 in |
| Minimum Dimension C | 0.348 in |
| Minimum Dimension H | 0.266 in |
| Minimum Dimension W | 0.305 in |
| NIIN | 01-093-2474 |
| NSN | 5310-01-093-2474 |
| Nut Style | Slotted hexagon |
| Overall Height | Between 0.266 inches and 0.296 inches |
| Service Temperature | 450 ºF |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification all treatment responses type 2 qq-p-416 |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread MIL-S-8879 | 0.2500-28 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.2500-28 |
| Type | Self-Locking Castellated Nut |
| Washer Outside Diameter | 0.420 |
| Washer Thickness | 0.025 |
| Weight | 0.003 lb |
| Width Across Flats | Between 0.305 inches and 0.315 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS14144-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error