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MS51861-17
Military Standard Tapping Screw
Description
Tapping Screw
Specifications
| Alternate Part Number | AN530-4R12 |
|---|---|
| Country of Origin | USA |
| Diameter | 4 |
| Fastener Length | Between 0.719 inches and 0.781 inches |
| Features Provided | Casehardened |
| Head Angle | 100 ? |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.070 inches and 0.080 inches |
| Head Style | Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | MS51861 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/4 in |
| Material | Steel |
| Material Specification | 66 federal standard all material responses |
| NIIN | 01-173-3502 |
| NSN | 5305-01-173-3502 |
| Nondefinitive Specification/Std Data | Ab type |
| Nonmachine Thread Diameter | 0.112 |
| Nonmachine Thread Style | Ab or ba) gimlet point (type a |
| Point Type | A |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Weight | 0.0002 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51861-17. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error