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MS51957-42B
8-32X5/16 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox
Description
Fastener Length: 5/16", Thread: 8-32, Thread Length: 5/16
Specifications
| Diameter | #8 |
|---|---|
| Drive | Phillips |
| Drive Type | Phillips |
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
| Finish | Black Oxide |
| Full Size | #8-32 x 5/16 |
| Head Diameter | 0.306 inches minimum and 0.322 inches maximum |
| Head Height | 0.105 inches minimum and 0.115 inches maximum |
| Head Style | Pan Head |
| Head Type | Pan |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Material | CRES |
| MilspecPart | MS51957-B |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 9c style |
| Screw Material | Steel corrosion resisting or steel |
| Screw Material Specification | Qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response |
| Screw Surface Treatment | Oxide |
| Screw Surface Treatment Specification | Mil-c-13924 cl 4 mil spec single treatment response |
| Size | 8-32 |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.219 inches minimum and 0.312 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
| Thread Type | UNC |
| Threads Per Inch | 32 |
| U.O.M. | Imperial |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error