The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-353-7294, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Environmental Tectonics Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-353-7294 |
| Primary Part Number | B300-232-31/98 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Environmental Tectonics Corp |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Purchase Description Identification | 33714-B300-232-31/98 |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Material | STEEL COMP 303 |
| Distance Across Flats | 0.625 INCHES NOMINAL IN |
| Shoulder Length | 0.1188 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| B300-232-31/98 PRIMARY | Environmental Tectonics Corp (USA) |
NSN 5307-01-353-7294 is a Stud,shouldered and Stepped, manufactured by Environmental Tectonics Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-353-7294 has 1 manufacturer part number on file: B300-232-31/98 (Environmental Tectonics Corp).
Key specifications for B300-232-31/98: Thread Length: 0.500 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED; Overall Length: 1.188 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND NUT THREAD. 11 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.