The Gear Cluster, cataloged under National Stock Number 3020-01-204-8485, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-204-8485 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.393 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.875 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR ALL GEARS |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 0.562 INCHES IN |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Nominal Length | 0.312 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 1.187 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 2.312 INCHES FIRST GEAR IN |
| Material | STEEL OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 979-1-B377 | 5/9 Secondary reference Gap Instrument Corp |
| 979-1-B377 | 3/9 Design control — primary reference Advanced Logic Resources Inc Dba Alr |
NSN 3020-01-204-8485 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-204-8485: Bore Nominal Diameter: 0.393 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.875 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR ALL GEARS; Bore Style: PLAIN BOTH ENDS. 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.