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MS14181-04005L
Military Standard Machine Bolt
Description
Fastener Length: 53/64", Thread: 1/4-28, Thread Length: 1/2", MS14181 series bolt
Specifications
| 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 | 0.818 inches minimum and 0.848 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.303 inches minimum and 0.323 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 | 27/32 |
| Material | Nickel |
| Material Specification | Ams5662 assn std single material response or ams5663 assn std single material response |
| Min. Tensile Strength (psi) | 220000 pounds per square inch |
| Special Features | Dry film lubricant per mil-l-46010, type i |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| 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 MS14181-04005L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error