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MS51861-14
#4 3/8 Tapping Screw
Description
Tapping Screw
Specifications
| Alternate Part Number | AN530-4R6 |
|---|---|
| Country of Origin | USA |
| Diameter | 4 |
| Fastener Length | 0.375 |
| Features Provided | Casehardened |
| Head Angle | 100 ? |
| Head Diameter | Between 0.407 inches and 0.425 inches |
| Head Height | Between 0.139 inches and 0.151 inches |
| Head Style | Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | MS51861 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 in |
| Material | Steel |
| Material Specification | Aisi assn standard all material responses |
| NIIN | 00-432-4169 |
| NSN | 5305-00-432-4169 |
| Nonmachine Thread Diameter | 0.216 |
| 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 | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Weight | 0.0002 lb |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS51861-14 — functionally equivalent.
- AN530-4R6 Listed alternate 3/8 in · Round Head · Steel
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Catalog data updated 2026-07-05. Report a data error