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MS24693BB2
Military Standard Machine Screw
Description
black brass, length: 1/4", thread: 4-40, countersunk, flat head, machine screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Drive Style | Cross |
| Fastener Length | Between 0.219 inches and 0.250 inches |
| Head Diameter | Between 0.191 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Copper |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.169 inches and 0.219 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| 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.
- MS24693-A2 MS #4-40 · 1/4 in · Flat countersunk · Aluminum
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Catalog data updated 2026-07-05. Report a data error