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MS24693C294
Military Standard Machine Screw
Description
These non-structural screws have a flat countersunk head, 100° cross recessed head. (-C #'s) Cleaned and descaled, corrosion restistant steel (-S #'s) Cadmium plated carbon steel (-BB #'s) Black chemical finish brass
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | 0.500 |
| Head Diameter | Between 0.442 inches and 0.507 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 |
| Screw Material Specification | 66 federal standard all material responses |
| Screw Surface Treatment | Passivate |
| Thread | 1/4-28 |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.429 inches and 0.500 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
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.
- NAS1102-4-8 NAS 1/4-28 · 1/2 in · Flat countersunk · Steel
- NAS514P428-8B NAS 1/4-28 · 1/2 in · Flat countersunk · Steel
- MS24693-S294 MS 1/4-28 · 1/2 in · Flat countersunk · Steel
- MS24693S294 MS 1/4-28 · 1/2 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error