The Stud,locked in, cataloged under National Stock Number 5307-01-171-5331, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-171-5331 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.805 INCHES MINIMUM AND 0.835 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.750 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.625 INCHES NUT THREAD IN |
| Distance From Serrated Portion to Stud End | 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Thread Quantity Per Inch | 10 STUD THREAD |
| Material | TITANIUM ALLOY |
| 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 |
|---|---|
| SFJ111-15TA10AE0301 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-171-5331 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-171-5331: Thread Length: 0.805 INCHES MINIMUM AND 0.835 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM NUT THREAD IN; Style Designator: LOCKED IN; Distance From Serrated Portion to End of Stud Thread: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. 16 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.