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MS51976-63
Military Standard Screw
Description
Fastener Length: 1/2", Thread: 3/8-24, Head Width: 3/16", Thread Length: 1/2"
Specifications
| Fastener Length | 0.490 inches minimum and 0.510 inches maximum |
|---|---|
| Hardness Rating | 45.0 rockwell c minimum and 53.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 1/2 |
| Material | Steel |
| Material Specification | Aisi assn std all material responses |
| Point Style | Half dog |
| 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 | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.490 inches minimum and 0.510 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 3/8 |
| Width Across Flats | 0.187 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS51976-34
- MS51976-63
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.
- MS51966-147 MS 3/8-24 · 1/2 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error