The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-170-0767, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-170-0767 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | S26-13 FSCM K0289 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Nut End Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2494 INCHES MAXIMUM IN |
| Thread Length | 0.350 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | BRITISH STANDARD S143 NATIONAL SPEC 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 |
| Stud End Shank Diameter | 0.2495 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut End Shank Length | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Stud End Shank Length | 0.690 INCHES NOMINAL 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 | STEEL CORROSION RESISTING |
| Distance Across Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Shoulder Length | 0.150 INCHES MINIMUM IN |
| 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 |
|---|---|
| 75A427201-2001 | 5/9 Secondary reference Bae Systems Plc |
| 75A427201-2001 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 5307-01-170-0767 is a Stud,shouldered and Stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-170-0767: Surface Treatment Document and Classification: S26-13 FSCM K0289 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Nut End Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2494 INCHES MAXIMUM IN; Thread Length: 0.350 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM NUT THREAD IN. 23 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.