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MS18211-99F
Military Standard Screw
Description
Fastener Length: 1/2", Thread: 10-32, Thread Length: 13/32"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.469 inches minimum and 0.500 inches maximum |
| Head Diameter | 0.333 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 1/2 |
| Nondefinitive Specification/Std Data | 1 type and 3s style |
| Screw Material | Plastic polyhexamethylene amide |
| Screw Material Specification | Mil-m-20693,type 1,cond. a mil spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.291 inches minimum and 0.417 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNF |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error