The Gear Set,helical,matched, cataloged under National Stock Number 3020-01-303-2501, 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 English Electric Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-303-2501 |
| Primary Part Number | RW-870003S1 |
| Item Name | Gear Set,helical,matched |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | English Electric Corp |
| Status | ACTIVE |
| Component Quantity | 3 |
| Nonsupply Items and Quantities | 61982 RW-820339-A1 PINION AND CLUTCH ASSEMBLY 2; 61982 RW-820257-A1 SHAFT AND GEARWHEEL 1 |
| 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 |
|---|---|
| RW-870003S1 PRIMARY | English Electric Corp (USA) |
| RW-870003S1 | David Brown Gear Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| RW-870003S1 | 5/9 Secondary reference David Brown Special Products Ltd |
| RW-870003S1 | 5/9 Secondary reference Brown David Vehicle Products Ltd |
NSN 3020-01-303-2501 is a Gear Set,helical,matched, manufactured by English Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-303-2501 has 2 manufacturer part numbers on file: RW-870003S1 (English Electric Corp), RW-870003S1 (David Brown Gear Systems Limited).
Key specifications for RW-870003S1: Component Quantity: 3; Nonsupply Items and Quantities: 61982 RW-820339-A1 PINION AND CLUTCH ASSEMBLY 2; 61982 RW-820257-A1 SHAFT AND GEARWHEEL 1. 2 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.