The Gear Cluster, cataloged under National Stock Number 3020-00-460-3940, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-460-3940 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.093 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Nominal Overall Length | 0.883 INCHES IN |
| Material Document and Classification | AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 1 GROOVE SECOND END |
| Hub Style Designator | PLAIN FIRST END |
| Hub Nominal Length | 0.468 INCHES SECOND END IN |
| Hub Nominal Length | 0.091 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.248 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.540 INCHES FIRST GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 40-405-102 | 3/9 Design control — primary reference Meggitt (new Hampshire), Inc |
NSN 3020-00-460-3940 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-274-9271. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-460-3940: Hub Nominal Diameter: 0.093 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Nominal Overall Length: 0.883 INCHES IN. 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.