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MS18212-45
Military Standard Screw
Description
Fastener Length: 1/2", Thread: 8-32, Thread Length: 1/2"
Specifications
| Departure From Cited Designator | As modified by material |
|---|---|
| Fastener Length | 0.500 |
| Head Diameter | 0.306 inches minimum and 0.322 inches maximum |
| Head Height | 0.085 inches minimum and 0.096 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | Slot |
| Length | 1/2 |
| Nondefinitive Specification/Std Data | 1 type and 9s style |
| Screw Material | Plastic polyhexamethylene amide |
| Screw Material Specification | Mil-m-20693 mil spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 inches minimum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
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.
- A217C16 Other #8-32 · 1/2 in · Pan no. 2 · Steel
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Catalog data updated 2026-07-05. Report a data error