The Stud,locked in, cataloged under National Stock Number 5307-01-448-9708, 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18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-448-9708 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | LOCKED IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Specification/standard Data | 96906-MS51833-201-8 GOVERNMENT STANDARD |
| Locking Feature | KEY INSERTS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNJC NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD 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 |
|---|---|
| MS51833-201-8 | 5/9 Secondary reference U.S. Government activity |
| MS51833-201-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-448-9708 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-448-9708: Thread Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM STUD THREAD IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Style Designator: LOCKED 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.