screws › machine screws
MS9554-04
Military Standard Screw
Description
Fastener Length: 3/8", Thread: 6-40, Thread Length: 19/64"
Specifications
| Extended Washer Diameter | 0.270 |
|---|---|
| Extended Washer Thickness | 0.030 inches minimum |
| Fastener Length | 0.365 inches minimum and 0.385 inches maximum |
| Head Height | 0.218 |
| Head Style | Double hexagon w/ hole |
| Length | 3/8 |
| Material | Iron |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5731 mil spec single material response |
| Thread Class | 3a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.287 inches minimum and 0.327 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 6 |
| Width Between Flats | 0.188 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS9554-04. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error