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MS51957-80
1/4-20 X 5/8 MS51957, Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR, MS51957-80
Description
MS 51957-80 Phillips Pan Head Machine Screw
Specifications
| Diameter | 1/4 |
|---|---|
| Drive Type | Phillips |
| Fastener Length | 0.625 |
| Finish | Passivate |
| Full Size | 1/4-20 x 5/8 |
| Head Diameter | 0.473 inches minimum and 0.492 inches maximum |
| Head Height | 0.162 inches minimum and 0.175 inches maximum |
| Head Style | Phillips Pan Head |
| Head Type | Pan |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.625, 5/8 |
| Material | CRES |
| MilspecPart | MS51957 |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 9c style |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 |
| Screw Surface Treatment | Passivate |
| Size | 1/4-20 |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Fraction | 1/4-20 |
| Thread Length | 0.625 inches minimum |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Type | N.C. - Coarse, UNC-2A |
| Threads Per Inch | 20 |
| U.O.M. | Imperial |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51957-80. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error