The Stud,locked in, cataloged under National Stock Number 5307-01-241-7239, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-241-7239 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.469 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.625 INCHES NOMINAL NUT THREAD IN |
| Style Designator | LOCKED IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.281 INCHES NOMINAL IN |
| Locking Feature | KEY INSERTS |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Distance From Shoulder Portion to Nut End | 0.531 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL CORROSION RESISTING |
| Shoulder Length | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| MS51833A203-16 | 2/2 Government specification standardization U.S. Government activity |
NSN 5307-01-241-7239 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-241-7239: Thread Length: 0.469 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.625 INCHES NOMINAL NUT THREAD IN; Style Designator: LOCKED IN; Overall Length: 1.469 INCHES NOMINAL 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.