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MS51576-6
Military Standard Machine Screw
Description
Machine Screw
Specifications
| Fastener Length | 0.2813 inches minimum and 0.3467 inches maximum |
|---|---|
| Hardness Rating | 32.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.281 inches minimum and 0.344 inches maximum |
| Head Height | 0.125 inches minimum and 0.187 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Material | CRES |
| Material Specification | Astm a493 assn std 1st material response or astm a582 assn std 2nd material response |
| Shoulder Diameter | 0.1860 inches minimum first shoulder and 0.1870 inches maximum first shoulder |
| Shoulder Length | 0.125 inches minimum first shoulder and 0.128 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.1563 inches minimum and 0.2187 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Width Across Flats | 0.094 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS51576-5
- MS51576-6
- MS51576-9
- MS51576-11
- MS51576-28
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51576-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error