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MS24693-A2
Military Standard Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 7/32
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.191 inches minimum and 0.225 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Aluminum |
| Min. Tensile Strength (psi) | 62000 pounds per square inch |
| Screw Material | Aluminum alloy 2024 |
| Screw Material Specification | Qq-a-225/6 fed spec single material response |
| Screw Surface Treatment | Anodize |
| Screw Surface Treatment Specification | Mil-a-8625 mil spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.169 inches minimum and 0.219 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- MS24693-BB2 MS #4-40 · 1/4 in · Flat countersunk · Copper
- MS24693BB2 MS #4-40 · 1/4 in · Flat countersunk · Copper
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Catalog data updated 2026-07-05. Report a data error