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MS51861-12
#4 1/4 Tapping Screw
Description
Tapping Screw
Specifications
| Alternate Part Number | Possible AN530-4R4 |
|---|---|
| Country of Origin | USA |
| Diameter | 4 |
| Fastener Length | Between 0.250 inches and 0.281 inches |
| Features Provided | Casehardened |
| Head Angle | 100 ? |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.07 inches and 0.08 inches |
| Head Style | Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | MS51861 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 in |
| Material | Steel |
| NIIN | 00-140-8001 |
| NSN | 5305-00-140-8001 |
| Nondefinitive Specification/Std Data | Ab type |
| Nonmachine Thread Diameter | 0.112 |
| Nonmachine Thread Style | Ab or ba) gimlet point (type a |
| Point Type | A |
| Size | #4, 4-24 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Weight | 0.0001 lb |
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
- MS51861-12C MS 1/4 in · Pan Head · Steel
- MS51863-11C MS 1/4 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error