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MS51958-83
1/4-28 X 1 MS51958 NAS-1635 Phil Pan Machine Screw Fine Full Thread 300 Series S/S DFAR
Description
MS 51958-83 Phillips Pan Head Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Diameter | 1/4 |
| Drive | Phillips |
| Drive Type | Phillips |
| Fastener Length | 1.000 |
| Finish | Passivate, Plain |
| Full Size | 1/4-28 x 1 |
| Head Angle | 100 ? |
| Head Diameter | Between 0.473 inches and 0.492 inches |
| Head Height | Between 0.162 inches and 0.175 inches |
| Head Style | Phillips Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | AN507 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 |
| Material | CRES |
| MilspecPart | MS51958 |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| NIIN | 00-071-2095 |
| NSN | 5305-00-071-2095 |
| 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 | 1/4-28 |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.929 inches and 1.000 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Thread Type | N.F. - Fine, UNF |
| Threads Per Inch | 28 |
| U.O.M. | Imperial |
| Weight | 0.02 lb |
Cross-reference
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- MS35215-73 MS 1/4-28 · 0.073 in · Phillips Pan Head · Brass
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Catalog data updated 2026-07-05. Report a data error