The Stud,stepped, cataloged under National Stock Number 5307-01-348-7189, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-348-7189 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.880 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.770 INCHES NOMINAL STUD THREAD IN |
| Style Designator | STEPPED |
| Material Document and Classification | QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Material | NICKEL ALLOY 400 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 2632-0952 ITEM 4-13 | 5/2 Secondary reference U.S. Government activity |
| 845-2445312 ITEM 4-13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-348-7189 is a Stud,stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-348-7189: Shank Diameter: 0.500 INCHES NOMINAL IN; Thread Length: 0.880 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.770 INCHES NOMINAL STUD THREAD IN; Style Designator: STEPPED. 16 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.