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MS51045-54
Military Standard Set Screw
Description
Fastener Length: 3/4", Thread: 1/4-20, Head Width: 1/8", Thread Length: 3/4"
Specifications
| Fastener Length | 0.750 |
|---|---|
| Hardness Rating | 25.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | Steel |
| Point Style | Half dog |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 inches minimum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Width Across Flats | 0.125 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- MS51965-57 MS 1/4-20 · 3/4 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error