The Stud,locked in, cataloged under National Stock Number 5307-00-071-8737, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-071-8737 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.420 INCHES NOMINAL STUD THREAD IN |
| Style Designator | LOCKED IN |
| Thread Pitch Diameters | +0.2869 TO 0.2884 INCHES STUD THREAD IN |
| Material Document and Classification | MIL-S-6758,COND F MIL SPEC SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.140 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.562 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| SF102-9SA14A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-071-8737 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-071-8737: Distance From Serrated Portion to Nut End: 0.875 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.420 INCHES NOMINAL STUD THREAD IN; Style Designator: LOCKED IN. 17 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.