The Gear Cluster, cataloged under National Stock Number 3020-01-089-1016, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-089-1016 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 LUBRICANT IMPREGNATED BEARING2 LUBRICANT IMPREGNATED BEARING |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS0.188 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.570 INCHES BETWEEN FIRST AND SECOND GEAR0.570 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR SECOND GEARSPUR SECOND GEAR |
| Design Type | SPUR FIRST GEARSPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDSPLAIN BOTH ENDS |
| Nominal Overall Length | 0.719 INCHES0.719 INCHES IN |
| Hub Style Designator | 1 STEP BETWEEN FIRST AND SECOND GEAR1 STEP BETWEEN FIRST AND SECOND GEAR |
| Hub Nominal Length | 0.340 INCHES BETWEEN FIRST AND SECOND GEAR0.340 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 0.625 INCHES SECOND GEAR0.625 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.938 INCHES FIRST GEAR0.938 INCHES FIRST GEAR IN |
| Material | PLASTIC POLYAMIDE NYLON FIRST GEARPLASTIC POLYAMIDE NYLON FIRST GEAR |
| Material | STEEL CORROSION RESISTING SECOND GEARSTEEL CORROSION RESISTING SECOND GEAR |
| Material | STEEL CORROSION RESISTING SHAFT/HUBSTEEL CORROSION RESISTING SHAFT/HUB |
| Construction | ASSEMBLEDASSEMBLED |
| 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 |
|---|---|
| SM-C-766321 | 5/2 Secondary reference U.S. Government activity |
| 41690A | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-089-1016 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-089-1016: Furnished Items and Quantity: 2 LUBRICANT IMPREGNATED BEARING2 LUBRICANT IMPREGNATED BEARING; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.570 INCHES BETWEEN FIRST AND SECOND GEAR0.570 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR SECOND GEARSPUR SECOND GEAR. 15 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.