The Gear Cluster, cataloged under National Stock Number 3020-00-504-8522, 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 15 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 | 3020-00-504-8522 |
| Primary Part Number | 2273744-0001 |
| 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 | 0.092 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.192 INCHES SECOND END IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Nominal Overall Length | 4.116 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 2 STEPS SECOND END |
| Hub Nominal Length | 0.114 INCHES FIRST END IN |
| Hub Nominal Length | 3.744 INCHES SECOND END IN |
| Nominal Outside Diameter | 0.2460 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 1.0140 INCHES FIRST GEAR IN |
| Material | STEEL SECOND GEAR |
| Material | STEEL SHAFT/HUB |
| Material | ALUMINUM 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 |
|---|---|
| 2273744-0001 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 3020-00-504-8522 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 3020-00-504-8522 has 1 manufacturer part number on file: 2273744-0001 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2273744-0001: Hub Nominal Diameter: 0.092 INCHES FIRST END IN; Hub Nominal Diameter: 0.192 INCHES SECOND END IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST 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.