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AN125988
Aeronautical Standard Stud
Description
Thread Size: 1/4", Length: 1-19/64", Thread Length: 11/16"
Specifications
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
|---|---|
| Material | Steel |
| Material Specification | Ams 6322 assn std single material response |
| Overall Length | 1.302 inches minimum and 1.322 inches maximum |
| Surface Finish | 63.0 microinches shank |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams 2400 assn std single treatment response |
| Thread Class | 3a nut thread |
| Thread Direction | Right-hand nut thread, Right-hand stud thread |
| Thread Length | 0.500 inches minimum nut thread, 0.688 inches minimum stud thread |
| Thread Pitch Diameters | +0.2218/+0.2233 inches stud thread |
| Thread Qty Per Inch (tpi) | 20 stud thread, 28 nut thread |
| Thread Series Designator | Unf nut thread, Uns stud thread |
| Thread Size | 0.250 inches nut thread, 0.250 inches stud thread |
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.
- AN125987 AN 1/4-20 · Steel
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Catalog data updated 2026-07-05. Report a data error