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MS24693-S12
Military Standard Machine Screw
Description
Fastener Length: 1-1/4", Thread: 4-40, Thread Length: 1-1/4"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.250 |
| Head Diameter | 0.191 inches minimum and 0.225 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Screw Material | Steel comp 1010 |
| Screw Material Specification | Qq-s-630 fed spec single material response or qq-s-631 fed spec single material response or qq-s-634 fed spec single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-b-416,ty 2,cl 3 fed spec all treatment responses |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 1.200 inches minimum and 1.250 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS514P440-20P NAS #4-40 · 0.073 in · Flat countersunk · Steel
- MS24693-C12 MS #4-40 · 0.073 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error