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MS9886-14
Military Standard Bolt12
Description
Fastener Length: 1-", Thread: 1/4-28, Thread Length: 49/64"
Specifications
| Extended Washer Diameter | 0.458 |
|---|---|
| Extended Washer Thickness | 0.080 |
| Fastener Length | 1.000 |
| Grip Length | 0.190 inches minimum and 0.250 inches maximum |
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.303 |
| Head Style | Double hexagon extended washer |
| Material | Steel |
| Material Specification | Ams5616 assn std single material response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.719 inches minimum and 0.779 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.3125 |
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 MS9886-14. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error