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AN530-4R6
Aeronautical Standard Tapping Screw
Description
Tapping Screw
Specifications
| Alternate Part Number | Possible MS51861-14 |
|---|---|
| Country of Origin | USA |
| Diameter | 4 |
| Fastener Length | 0.375 |
| Features Provided | Casehardened |
| Head Diameter | Between 0.193 inches and 0.211 inches |
| Head Height | Between 0.075 inches and 0.085 inches |
| Head Style | Round Head |
| Head Type | Pan |
| Industry Standards/Certification | AN530 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 in |
| Material | Steel |
| Material Specification | Cond n federal specification single material response amend. 5 qq-s-685 |
| NIIN | 00-167-2297 |
| NSN | 5305-00-167-2297 |
| Nonmachine Thread Diameter | 0.112 |
| Nonmachine Thread Style | Dog type (type b or c) |
| Point Type | B |
| Sold In | Per Package |
| Surface Treatment | Cadmium or zinc |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AN530-4R6 — functionally equivalent.
- MS51861-14 Listed alternate 3/8 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error