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MS51021-33
Military Standard Setscrew
Description
Setscrew
Specifications
| Fastener Length | 0.312 |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Material | CRES |
| Material Specification | 66 fed std all material responses |
| Point Style | Cup |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.312 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Width Across Flats | 0.078 |
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.
- AN565E8H5 AN 5/16 in · Headless (setscrew) · Steel
- NAS1081C08A5L NAS 5/16 in · Headless (setscrew) · CRES
- NAS1081C08D5 NAS 5/16 in · Headless (setscrew) · CRES
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Catalog data updated 2026-07-05. Report a data error