The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-258-9635, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-258-9635 |
| Primary Part Number | 6289651 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 3.120 INCHES NOMINAL STUD THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.625 INCHES NOMINAL IN |
| Thread Class | 2A STUD THREAD A |
| Material | STEEL COMP 303 |
| Shoulder Length | 1.500 INCHES NOMINAL IN |
| 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 |
NSN 5307-01-258-9635 is a Stud,shouldered and Stepped, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-258-9635 has 2 manufacturer part numbers on file: 419258 (Cadillac Gage Textron Inc.), 6289651 (Naval Sea Systems Command).
Key specifications for 6289651: Thread Length: 3.120 INCHES NOMINAL STUD THREAD IN; Style Designator: SHOULDERED AND STEPPED; Overall Length: 3.940 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND STUD THREAD. 9 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.