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MS51576-3
Military Standard Shoulder Screw
Description
Shoulder Screw
Specifications
| Fastener Length | 0.375 inches minimum and 0.440 inches maximum |
|---|---|
| Hardness Rating | 32.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.218 inches minimum and 0.281 inches maximum |
| Head Height | 0.093 inches minimum and 0.156 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 | 0.123 inches minimum first shoulder and 0.124 inches maximum first shoulder |
| Shoulder Length | 0.250 inches minimum first shoulder and 0.253 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 | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.125 inches minimum and 0.187 inches maximum |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Width Across Flats | 0.078 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51576-3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error