The Gear Cluster, cataloged under National Stock Number 3020-00-078-9191, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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 | 3020-00-078-9191 |
| Primary Part Number | 1266722 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Nominal Overall Length | 0.591 INCHES IN |
| Hub Nominal Length | 0.295 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Surface Treatment | PASSIVATE SHAFT/HUB |
| Surface Treatment | ANODIZE SECOND GEAR |
| Surface Treatment | PASSIVATE FIRST GEAR |
| Material | STEEL CORROSION RESISTING FIRST GEAR |
| Material | STEEL CORROSION RESISTING SHAFT/HUB |
| Material | ALUMINUM SECOND GEAR |
| Construction | ASSEMBLED |
| 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 |
|---|---|
| 1266722 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-078-9191 is a Gear Cluster, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-078-9191 has 1 manufacturer part number on file: 1266722 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1266722: Nominal Overall Length: 0.591 INCHES IN; Hub Nominal Length: 0.295 INCHES BETWEEN FIRST AND SECOND GEAR IN; Special Features: FURNISHED WITH SHAFT; Surface Treatment: PASSIVATE SHAFT/HUB. 9 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.