The Stud,plain, cataloged under National Stock Number 5307-01-343-2407, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-343-2407 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.825 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.911 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE 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 |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Class | 5A STUD THREAD A |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | COPPER ALLOY 464 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| MS51864-302-16 | 5/9 Secondary reference U.S. Government activity |
| FF-S-1362 | 4/1 Identification reference U.S. Government activity |
| MS51864-302-16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-343-2407 is a Stud,plain, classified under FSC 5307, Studs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5307-01-446-1851. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-343-2407: Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.825 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.911 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE. 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.