The Gear Cluster, cataloged under National Stock Number 3020-00-701-2977, 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 General Electric Company. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-701-2977 |
| Primary Part Number | 315B823-1 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Hub Nominal Diameter | 1.750 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.750 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR ALL GEARS |
| Nominal Overall Length | 8.000 INCHES IN |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Style Designator | PLAIN FIRST END |
| Hub Nominal Length | 0.438 INCHES FIRST END IN |
| Hub Nominal Length | 5.562 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 2.700 INCHES ALL GEARS IN |
| Material | STEEL OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| 315B823-1 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 315B823-1 | 5/9 Secondary reference U.S. Government activity |
| 315B823-1 | 5/9 Secondary reference General Electric Company |
| 315B823PC1 | 5/9 Secondary reference U.S. Government activity |
| 315B823PC1 | 5/9 Secondary reference General Electric Company |
| 315B823P-1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
NSN 3020-00-701-2977 is a Gear Cluster, manufactured by General Electric Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-701-2977 has 1 manufacturer part number on file: 315B823-1 (General Electric Company).
Key specifications for 315B823-1: Hub Nominal Diameter: 1.750 INCHES FIRST END IN; Hub Nominal Diameter: 1.750 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR ALL GEARS; Nominal Overall Length: 8.000 INCHES IN. 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.