The Stud,shouldered, cataloged under National Stock Number 5307-01-138-7950, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-138-7950 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nut End Shank Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT THREAD A IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Direction | LEFT-HAND NUT THREAD A |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Shoulder Diameter | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut End Shank Length | 1.717 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | A3A STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Shoulder Length | 0.125 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 3493305-94 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-138-7950 is a Stud,shouldered, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-138-7950: Surface Treatment Document and Classification: QQ-P-35,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nut End Shank Diameter: 0.500 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT THREAD A IN. 21 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.