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MS51957-1B
2-56X1/8 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox
Description
Fastener Length: 3/32", Thread: 2-56, Thread Length: 1/16", black oxide
Specifications
| Diameter | #2 |
|---|---|
| Drive | Phillips |
| Drive Type | Phillips |
| Fastener Length | 0.094 inches minimum and 0.125 inches maximum |
| Finish | Black Oxide |
| Full Size | #2-56 x 1/8 |
| Head Diameter | 0.155 inches minimum and 0.167 inches maximum |
| Head Height | 0.053 inches minimum and 0.062 inches maximum |
| Head Style | Pan Head |
| Head Type | Pan |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/8 |
| 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 | 2-56 |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Length | 0.058 inches minimum and 0.125 inches maximum |
| Thread Qty | 56 |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series Designator | UNC |
| Thread Size | 2 |
| Thread Type | UNC |
| Threads Per Inch | 56 |
| U.O.M. | Imperial |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51957-1B. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error