The Stud,locked in, cataloged under National Stock Number 5307-01-017-6742, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-017-6742 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES NUT THD |
| Surface Finish | 63.0 MICROINCHES SHANK |
| Surface Finish | 32.0 MICROINCHES STUD THD |
| Surface Treatment Document and Classification | 11-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | LOCKED IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC 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 | 0.658 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Locking Feature | RING, LOCK KEYED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| KNS9000-4-11 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| MS51833-202-11 | 4/1 Identification reference U.S. Government activity |
| KNS9000-4-11 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5307-01-017-6742 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-017-6742: Surface Finish: 63.0 MICROINCHES NUT THD; Surface Finish: 63.0 MICROINCHES SHANK; Surface Finish: 32.0 MICROINCHES STUD THD; Surface Treatment Document and Classification: 11-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.