The Gear Cluster, cataloged under National Stock Number 3020-00-798-5941, 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 Arrow Gear Llc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-798-5941 |
| Primary Part Number | 867C755G2 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Arrow Gear Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.925 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Diameter | 1.180 INCHES SECOND END IN |
| Hub Nominal Diameter | 1.109 INCHES FIRST ENDUNABLE TO DECODE IN |
| Hub Nominal Diameter | 1.500 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Hub Nominal Diameter | 3.000 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Diameter | UNABLE TO DECODE1.180 INCHES SECOND END1.109 INCHES FIRST END IN |
| Hub Nominal Diameter | UNABLE TO DECODE1.500 INCHES BETWEEN SECOND AND THIRD GEAR3.000 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Diameter | UNABLE TO DECODE3.000 INCHES BETWEEN FIRST AND SECOND GEAR1.180 INCHES SECOND END IN |
| Design Type | SPUR SECOND GEARUNABLE TO DECODE |
| Design Type | SPUR FIRST GEARUNABLE TO DECODE |
| Design Type | SPUR THIRD GEARUNABLE TO DECODE |
| Bore Style | PARTIAL SECOND ENDUNABLE TO DECODE |
| Nominal Overall Length | 3.219 INCHES IN |
| Bore Nominal Depth | 1.146 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Style Designator | PLAIN BETWEEN SECOND AND THIRD GEARUNABLE TO DECODE |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE |
| Hub Style Designator | 1 STEP SECOND ENDUNABLE TO DECODE |
| Hub Style Designator | 3 STEPS FIRST ENDUNABLE TO DECODE |
| Hub Nominal Length | 0.062 INCHES BETWEEN SECOND AND THIRD GEARUNABLE TO DECODE IN |
| Hub Nominal Length | 0.188 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Hub Nominal Length | 0.453 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 1.672 INCHES FIRST ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter | 2.6000 INCHES THIRD GEARUNABLE TO DECODE IN |
| Nominal Outside Diameter | 3.7000 INCHES FIRST GEARUNABLE TO DECODE IN |
| Nominal Outside Diameter | 3.9000 INCHES SECOND GEARUNABLE TO DECODE IN |
| Surface Treatment | OXIDE OVERALL |
| Surface Treatment | UNABLE TO DECODE |
| Material | STEEL OVERALL |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-798-5941 is a Gear Cluster, manufactured by Arrow Gear Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-798-5941 has 3 manufacturer part numbers on file: 867C755G2 (Arrow Gear Llc), 867C755G2 (General Electric Company), 867C755G2 (Mtu Aero Engines Ag).
Key specifications for 867C755G2: Bore Nominal Diameter: 0.925 INCHES SECOND ENDUNABLE TO DECODE IN; Hub Nominal Diameter: 1.180 INCHES SECOND END IN; Hub Nominal Diameter: 1.109 INCHES FIRST ENDUNABLE TO DECODE IN; Hub Nominal Diameter: 1.500 INCHES BETWEEN SECOND AND THIRD GEAR IN. 29 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.