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MS51975-31
Hexagon Socket Shoulder Screw
Description
MS 51975-31 Hexagon Socket Shoulder Screw
Specifications
| Fastener Length | 2.090 inches minimum and 2.130 inches maximum |
|---|---|
| Finish | Cadmium ll |
| Hardness Rating | 32.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.729 inches minimum and 0.750 inches maximum |
| Head Height | 0.302 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Shoulder Diameter | 0.4960 inches minimum first shoulder and 0.4980 inches maximum first shoulder, 1/2 |
| Shoulder Length | 1 1/2, 1.490 inches minimum first shoulder and 1.510 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Size | 3/8-16 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.595 inches minimum and 0.625 inches maximum, 5/8 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series Designator | UNC |
| Thread Type | N.C. - Coarse |
| Width Across Flats | 0.250 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51975-31. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error