The Stud,stepped, cataloged under National Stock Number 5307-01-155-6134, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-155-6134 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Shank Diameter | 0.164 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Surface Finish | 32.0 MICROINCHES STUD THD |
| Thread Length | 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | STEPPED |
| Material Document and Classification | AMS 5737 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 | 28 STUD THREAD |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | IRON ALLOY 660 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 3036T81P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-155-6134 is a Stud,stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-155-6134: Shank Diameter: 0.164 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES NUT THD; Surface Finish: 32.0 MICROINCHES STUD THD; Thread Length: 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM STUD THREAD IN. 18 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.