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MS21093-0489
Military Standard Machine Screw
Description
Machine Screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Drive Style | Cross |
| Fastener Length | Between 0.157 inches and 0.188 inches |
| Head Diameter | Between 0.200 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Locking Feature | Pellet or strip or patch |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 3c style |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 2 federal specification single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.107 inches and 0.188 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
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.
- MS24693C1 MS 3/16 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error