The Stud,plain, cataloged under National Stock Number 5307-01-031-0243, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-031-0243 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.630 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.630 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | QQ-A-200/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/5 FED SPEC 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF 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 |
|---|---|
| 4188613 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-031-0243 is a Stud,plain, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-031-0243: Thread Length: 0.630 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.630 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: QQ-A-200/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/5 FED SPEC 2ND MATERIAL RESPONSE; Overall Length: 7.630 INCHES NOMINAL IN. 14 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.