The Stud,stepped, cataloged under National Stock Number 5307-00-724-0643, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-724-0643 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Shank Diameter | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES SHANK |
| Thread Length | 0.350 INCHES MINIMUM AND 0.355 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.460 INCHES MINIMUM NUT THREAD IN |
| Style Designator | STEPPED |
| Material Document and Classification | AMS5637 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 302 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 292C921P005 | 5/9 Secondary reference General Electric Company |
| 292C921P005 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-724-0643 is a Stud,stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-724-0643: Shank Diameter: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES SHANK; Thread Length: 0.350 INCHES MINIMUM AND 0.355 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.460 INCHES MINIMUM NUT THREAD IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.