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MS24693-S226
Military Standard Machine Screw
Description
Fastener Length: 3/8", Thread: 6-40, Thread Length: 5/16
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Departure From Cited Designator | As modified by matl |
| Fastener Length | 0.344 inches minimum and 0.375 inches maximum |
| Head Diameter | 0.238 inches minimum and 0.279 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type or 3c style |
| Screw Material | Steel |
| Screw Material Specification | Astm a108 comp 1010 assn std single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec all treatment responses |
| Thread Class | 2a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.234 inches minimum and 0.315 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNF |
| Thread Size | 6 |
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-C226 MS #6-40 · 3/8 in · Flat countersunk · CRES
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Catalog data updated 2026-07-05. Report a data error