The Stud,locked in, cataloged under National Stock Number 5307-01-685-7630, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-685-7630 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.3125 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.164 INCHES NUT THREAD IN |
| Locking Feature | KEY INSERTS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Thread Quantity Per Inch | 36 NUT THREAD |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| MS51834A202-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-685-7630 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-685-7630: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN; Style Designator: LOCKED IN. 19 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.