The Gear Cluster, cataloged under National Stock Number 3020-00-504-7523, 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 Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 17 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 | 3020-00-504-7523 |
| Primary Part Number | 2273622-0001 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Nominal Overall Length | 1.305 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Style Designator | PLAIN SECOND END |
| Hub Nominal Length | 0.0860 INCHES SECOND END IN |
| Hub Nominal Length | 0.1900 INCHES FIRST END IN |
| Hub Nominal Length | 0.837 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 0.250 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.9240 INCHES FIRST GEAR IN |
| Material | STEEL SECOND GEAR |
| Material | STEEL SHAFT/HUB |
| Material | COPPER ALLOY FIRST 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 |
|---|---|
| 2273622-0001 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 3020-00-504-7523 is a Gear Cluster, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-504-7523 has 1 manufacturer part number on file: 2273622-0001 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2273622-0001: Hub Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.125 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 17 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.