The Gear Cluster, cataloged under National Stock Number 3020-00-512-7993, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 4 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 | 3020-00-512-7993 |
| Primary Part Number | 506-7398-002 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Design Type | SPUR ALL GEARSSPUR ALL GEARS |
| Nominal Outside Diameter | 0.411 INCHES SECOND GEAR0.411 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 1.142 INCHES FIRST GEAR1.142 INCHES FIRST GEAR IN |
| Material | ALUMINUM ALLOY OVERALLALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 506-7398-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3020-00-512-7993 is a Gear Cluster, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-512-7993 has 1 manufacturer part number on file: 506-7398-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 506-7398-002: Design Type: SPUR ALL GEARSSPUR ALL GEARS; Nominal Outside Diameter: 0.411 INCHES SECOND GEAR0.411 INCHES SECOND GEAR IN; Nominal Outside Diameter: 1.142 INCHES FIRST GEAR1.142 INCHES FIRST GEAR IN; Material: ALUMINUM ALLOY OVERALLALUMINUM ALLOY OVERALL. 4 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.