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MS51861-15C
#4 1/2 Tapping Screw
Description
Tapping Screw
Specifications
| Country of Origin | USA |
|---|---|
| End Application | B-1 aircraft; spruance class dd (963) lightweight 3d (an/tps-59); forrestal class cv; ground mobile force satellite comm term (an/tsc-93a); support equipment b-1b aircraft; nimitz class cvn; radar set w/s: intermediate forward test equip (ifte) system; wasp class lhd; supply class aoe; trainer |
| Fastener Length | Between 0.469 inches and 0.531 inches |
| 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 |
| Industry Standards/Certification | AN507 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| NIIN | 00-147-3224 |
| NSN | 5305-00-147-3224 |
| Nondefinitive Specification/Std Data | Ab type |
| Nonmachine Thread Diameter | 0.112 |
| Nonmachine Thread Style | Ab or ba) gimlet point (type a |
| Size | #4, 4-24 |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Weight | 0.0013 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.
- MS51861-15 MS 1/2 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error