The Gear Cluster, cataloged under National Stock Number 3020-01-246-5238, 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 Parker Hannifin Corporation Div Chelsea Products Division. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-246-5238 |
| Primary Part Number | 5-P-583 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Parker Hannifin Corporation Div Chelsea Products Division |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.405 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.250 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Diameter | 2.250 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Design Type | SPUR FIRST GEAR |
| Design Type | HELICAL SECOND GEAR |
| Supplementary Features | IDLER GEAR CLUSTER APPL |
| Bore Nominal Depth | 2.250 INCHES SECOND END IN |
| Material Document and Classification | 66,AISI/SAE 8620H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN BETWEEN SECOND AND THIRD GEAR |
| Hub Nominal Length | 0.250 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 3.080 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 4.070 INCHES FIRST GEAR IN |
| Surface Treatment | SILVER OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-246-5238 is a Gear Cluster, manufactured by Parker Hannifin Corporation Div Chelsea Products Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-246-5238 has 2 manufacturer part numbers on file: 5-P-583 (Parker Hannifin Corporation Div Chelsea Products Division), 5-P-583 (Turner Powertrain Systems Ltd).
Key specifications for 5-P-583: Bore Nominal Diameter: 1.405 INCHES SECOND END IN; Hub Nominal Diameter: 2.250 INCHES BETWEEN FIRST AND SECOND GEAR IN; Hub Nominal Diameter: 2.250 INCHES BETWEEN SECOND AND THIRD GEAR IN; Design Type: SPUR FIRST GEAR. 14 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.