The Stud,shouldered, cataloged under National Stock Number 5307-00-078-5897, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-078-5897 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Thread Length | 0.680 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.680 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-T-570,CLASS S1 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | LEFT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut End Shank Length | 0.160 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Distance Across Flats | 0.750 INCHES NOMINAL IN |
| Shoulder Length | 0.200 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4F23625-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-078-5897 is a Stud,shouldered, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-078-5897: Surface Finish: 125.0 MICROINCHES OVERALL; Thread Length: 0.680 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.680 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED. 20 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.