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MS51960-4
0-80x5/16 MS51960 NASM51960 Phil Flat Machine Screw Fine Full Thread 300 Series S/S DFAR
Description
Fastener Length: 5/16", Thread: 0-80, Thread Length: 1/4
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Diameter | #0 |
| Drive | Phillips |
| Drive Type | Phillips |
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
| Finish | Passivate per QQ-P-35, Plain |
| Full Size | #0-80 x 5/16 |
| Head Diameter | 0.099 inches minimum and 0.119 inches maximum |
| Head Style | 82 Degree Flat Head, Flat countersunk, Phillips Flat Head |
| Head Type | Flat |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Material | CRES |
| MilspecPart | MS51960 |
| 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 | 0-80 |
| Thread Class | 2a |
| Thread Diameter | 0.060 |
| Thread Direction | Right-hand |
| Thread Fraction | 0-80 |
| Thread Length | 0.312 inches maximum |
| Thread Qty | 80 |
| Thread Qty Per Inch (tpi) | 80 |
| Thread Series Designator | UNF |
| Thread Type | N.F. - Fine, UNC-2A, UNF |
| Threads Per Inch | 80 |
| U.O.M. | Imperial |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51960-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error