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MS14181-04008L
Military Standard Machine Bolt
Description
Length: 1-1/64", Thread: 1/4-28, Thread Length: 1/2", 12 point, MS14181 series bolt
Specifications
| Criticality Code Justification | Agav |
|---|---|
| End Application | F/a-18e aircraft |
| Extended Washer Diameter | Between 0.460 inches and 0.470 inches |
| Extended Washer Thickness | Between 0.026 inches and 0.046 inches |
| Fastener Length | Between 1.005 inches and 1.035 inches |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.490 inches and 0.510 inches |
| Head Height | Between 0.240 inches and 0.260 inches |
| Head Minor Diameter | Between 0.235 inches and 0.250 inches |
| Head Style | Spline extended washer |
| Material | Nickel |
| Material Specification | Ams 5662 assn standard single material response or ams 5663 assn standard single material response |
| Min. Tensile Strength (psi) | 220000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.495 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
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 MS14181-04008L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error