The Gear,worm Wheel, cataloged under National Stock Number 3020-00-015-3502, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-015-3502 |
| Primary Part Number | 231B548G01 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Helix Angle | 14.0333 DEGREES |
| Hub Nominal Diameter | 0.438 INCHES FIRST END IN |
| Teeth Quantity | 30 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Throat Nominal Radius | 0.329 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.676 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 4 |
| Face Nominal Width | 0.156 INCHES IN |
| 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 |
|---|---|
| 231B548G01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 231B548G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-015-3502 is a Gear,worm Wheel, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-015-3502 has 1 manufacturer part number on file: 231B548G01 (Westinghouse Electric Corp).
Key specifications for 231B548G01: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Helix Angle: 14.0333 DEGREES; Hub Nominal Diameter: 0.438 INCHES FIRST END IN; Teeth Quantity: 30. 18 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.