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MS51958-30
Military Standard Machine Screw
Description
MS 51958-30 Phillips Pan Head Machine Screw
Specifications
| Fastener Length | 0.500 |
|---|---|
| Finish | Passivate |
| Head Diameter | Between 0.256 inches and 0.270 inches |
| Head Height | Between 0.087 inches and 0.097 inches |
| Head Style | Phillips Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 |
| Screw Material Specification | 66 federal standard all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Size | 6-40 |
| Thread Class | 2a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.45 inches and 0.50 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Type | N.F. - Fine |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51958-30. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error