The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-350-7589, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Foremaster Tool Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-350-7589 |
| Primary Part Number | 65396-403-5 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Foremaster Tool Company |
| Status | ACTIVE |
| Thread Length | 0.623 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | QQ-S-763,COND A 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 | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 303SE |
| Distance Across Flats | 0.500 INCHES NOMINAL IN |
| Shoulder Length | 0.125 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 65396-403-5 | Foremaster Tool Company (USA) |
| 65396-403-5 | Leanwerks Llc (USA) |
| 65396-403-5 | Sacoda Serv International Llc (USA) |
| 65396-403-5 | Central Valley Machine Inc Dba Central Valley Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 65396-403-5 | 3/2 Design control — primary reference U.S. Government activity |
| 65396-403-5 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-00-350-7589 is a Stud,shouldered and Stepped, manufactured by Foremaster Tool Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-350-7589 has 4 manufacturer part numbers on file: 65396-403-5 (Foremaster Tool Company), 65396-403-5 (Leanwerks Llc), 65396-403-5 (Sacoda Serv International Llc), 65396-403-5 (Central Valley Machine Inc Dba Central Valley Machine Inc).
Key specifications for 65396-403-5: Thread Length: 0.623 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED; Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.060 INCHES NOMINAL 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.