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MS21093-343
Military Standard Machine Screw
Description
Machine Screw
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.344 inches minimum and 0.375 inches maximum |
| Head Diameter | 0.348 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Locking Feature | Pellet or strip or patch |
| Nondefinitive Specification/Std Data | 3 type and 3c style |
| Screw Material | Steel |
| Screw Material Specification | 66 fed std single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.199 inches minimum and 0.303 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNF |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21093-343. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error