The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-020-1773, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-020-1773 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Thread Length | 0.479 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.723 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.625 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.5625 INCHES NUT THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut End Shank Length | 1.910 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Distance Across Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Shoulder Length | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT 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 |
|---|---|
| 69-3248 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-020-1773 is a Stud,shouldered and Stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-020-1773: Nut End Shank Diameter: 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Thread Length: 0.479 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.723 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED. 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.