The Stud,locked in, cataloged under National Stock Number 5307-01-378-7664, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-378-7664 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.500 INCHES MINIMUM AND 0.560 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5640 TYPE 1 ASSN STD 1ST MATERIAL RESPONSE AND ASTM 582 ASSN STD 2ND MATERIAL RESPONSE AND AMS 5640 TYPE 1, AMS 5738 OR ASTM A 582 ASSN STD 3RD MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.313 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 | 13 STUD THREAD |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE |
| 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 |
|---|---|
| MS51834C204-16 | 2/2 Government specification standardization U.S. Government activity |
NSN 5307-01-378-7664 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-378-7664: Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.500 INCHES MINIMUM AND 0.560 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.422 INCHES MINIMUM AND 0.452 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.