screws › machine screws
MS51958-16
Military Standard Machine Screw
Description
Fastener Length: 7/16", Thread: 4-48, Thread Length: 13/32", pan head, MS51958 series screw
Specifications
| Fastener Length | 0.438 |
|---|---|
| Finish | Passivate |
| Head Diameter | 0.205 inches minimum and 0.219 inches maximum |
| Head Height | 0.070 inches minimum and 0.080 inches maximum |
| Head Style | Phillips Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/16 |
| 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 fed std all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Size | 4-48 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.396 inches minimum and 0.438 inches maximum |
| Thread Qty | 48 |
| Thread Qty Per Inch (tpi) | 48 |
| Thread Series Designator | UNF |
| Thread Size | 4 |
| Thread Type | N.F. - Fine |
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.
- MS35207-216 MS #4-48 · 7/16 in · Phillips Pan Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error