The Stud,shouldered, cataloged under National Stock Number 5307-01-031-4435, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-031-4435 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 1, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cotter Pin Hole Diameter | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM FIRST HOLE IN |
| Thread Length | 0.375 INCHES MINIMUM AND 0.452 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.437 INCHES MINIMUM AND 0.514 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED |
| 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 | CADMIUM OVERALL |
| Nut End Shank Length | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Distance Across Flats | 0.500 INCHES NOMINAL IN |
| Shoulder Length | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.750 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 29309 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-031-4435 is a Stud,shouldered, classified under FSC 5307, Studs. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-166-1074, 3020-01-189-8871, 5950-01-231-3816. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-031-4435: Surface Treatment Document and Classification: QQ-P-416 TY 1, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cotter Pin Hole Diameter: 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM FIRST HOLE IN; Thread Length: 0.375 INCHES MINIMUM AND 0.452 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.437 INCHES MINIMUM AND 0.514 INCHES MAXIMUM NUT 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.