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MS51863-11C
Military Standard Machine Screw
Description
Fastener Length: 1/4", MS51863 series screw
Specifications
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
|---|---|
| Head Diameter | 0.205 inches minimum and 0.219 inches maximum |
| Head Height | 0.070 inches minimum and 0.080 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Material Specification | 66 fed std single material response |
| Nondefinitive Specification/Std Data | Sf type or sw type or tt type |
| Nonmachine Thread Diameter | 0.112 |
| Nonmachine Thread Style | Blunt (sf) |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
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.
- MS24626-9 MS 1/4 in · Pan Head · Steel
- MS24629-10 MS 1/4 in · Pan Head · Steel
- MS24629-11 MS 1/4 in · Pan Head · Steel
- MS51861-12 MS 1/4 in · Pan Head · Steel
- MS51861-12C MS 1/4 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error