screws › machine screws
MS21262-15
Military Standard Screw
Description
Fastener Length: 3/8", Thread: 8-32, Head Width: 9/64", Thread Length: 5/16"
Specifications
| Fastener Length | 0.375 |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.262 inches minimum and 0.270 inches maximum |
| Head Height | 0.159 inches minimum and 0.164 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/8 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | Steel |
| Min. Tensile Strength (psi) | 130000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.313 inches minimum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
| Width Across Flats | 0.141 inches minimum and 0.143 inches maximum |
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 MS21262-15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error