The Stud,locked in, cataloged under National Stock Number 5307-01-003-6023, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-003-6023 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Distance From Serrated Portion to Nut End | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.132 INCHES MINIMUM AND 0.245 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | LOCKED IN |
| Thread Pitch Diameters | +0.1639 TO 0.1654 INCHES STUD THREAD IN |
| Material Document and Classification | SAE-AMS-5640 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.190 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.164 INCHES NUT THREAD IN |
| Distance From Serrated Portion to Stud End | 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Locking Feature | HEAD SERRATIONS |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 36 NUT THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| SFJ81-6SM5A | 3/2 Design control — primary reference U.S. Government activity |
| 4038T93P01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5307-01-003-6023 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-003-6023: Surface Finish: 32.0 MICROINCHES NUT THD; Distance From Serrated Portion to Nut End: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Thread Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.132 INCHES MINIMUM AND 0.245 INCHES MAXIMUM STUD THREAD IN. 20 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.