The Gear Cluster, cataloged under National Stock Number 3020-01-365-7101, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 17 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 | 3020-01-365-7101 |
| Primary Part Number | MBEU140943 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.310 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.310 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR ALL GEARS |
| Nominal Overall Length | 1.380 INCHES IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | PLAIN BOTH ENDS |
| Hub Nominal Length | 0.255 INCHES SECOND END IN |
| Hub Nominal Length | 0.500 INCHES FIRST END IN |
| Hub Nominal Length | 0.501 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 0.686 INCHES FIRST GEAR IN |
| Nominal Outside Diameter | 1.061 INCHES SECOND GEAR IN |
| Material | STEEL OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MBEU140943 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MBEU140943 | Martin-Baker Aircraft Company Limited (GBR) |
NSN 3020-01-365-7101 is a Gear Cluster, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-365-7101 has 2 manufacturer part numbers on file: MBEU140943 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MBEU140943 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU140943: Hub Nominal Diameter: 0.310 INCHES FIRST END IN; Hub Nominal Diameter: 0.310 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR ALL GEARS; Nominal Overall Length: 1.380 INCHES IN. 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.