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MS51957-122
Pan Head Machine Screw
Description
Length: 1-5/16", Thread: 4-40, Thread Length: 1-17/64", MS51957 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 1.313 inches and 1.375 inches |
| Finish | Passivate |
| Head Angle | 100 ? |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.070 inches and 0.080 inches |
| Head Style | Phillips Pan Head |
| Industry Standards/Certification | AN507 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 3/8, 1.375 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 9c style |
| Screw Material | Stainless steel or steel |
| Screw Material Specification | 300 series federal standard 1st material response or comp 16-18 or 18-8 assn standard 2nd material response 300 series federal specification 1st material response or 66 qq-s-763 |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Size | 4-40 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Fraction | 4-40 |
| Thread Length | Between 1.263 inches and 1.375 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
| Thread Type | N.C. - Coarse, UNC-2A |
| Weight | .005 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51957-122. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error