bolts › machine bolts
MS14181-04011P
Military Standard Machine Bolt
Description
Fastener Length: 1-13/64", Thread: 1/4-28, Thread Length: 1/2
Specifications
| Criticality Code Justification | Agav |
|---|---|
| Extended Washer Diameter | 0.460 inches minimum and 0.470 inches maximum |
| Extended Washer Thickness | 0.026 inches minimum and 0.046 inches maximum |
| Fastener Length | 1.192 inches minimum and 1.222 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.677 inches minimum and 0.697 inches maximum |
| Head Height | 0.240 inches minimum and 0.260 inches maximum |
| Head Minor Diameter | 0.235 inches minimum and 0.250 inches maximum |
| Head Style | Spline extended washer |
| Length | 1 7/32 |
| Material | Nickel |
| Material Specification | Ams 5662 assn std single material response or ams 5663 assn std 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 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| 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 MS14181-04011P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error