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MS51964-108
Military Standard Screw
Description
Fastener Length: 5/8", Thread: 1/2-20, Head Width: 1/4", Thread Length: 5/8"
Specifications
| Fastener Length | 0.615 inches minimum and 0.635 inches maximum |
|---|---|
| Hardness Rating | 45.0 rockwell c minimum and 53.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 5/8 |
| Material | Steel |
| Material Specification | Aisi assn std all material responses |
| Point Style | Cup |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.615 inches minimum and 0.635 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 1/2 |
| Width Across Flats | 0.250 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS51964-108
- MS51964-153
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS51023-95 MS 1/2-20 · 5/8 in · Headless (setscrew) · CRES
- MS51031-149 MS 1/2-20 · 5/8 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error