The Gear Cluster, cataloged under National Stock Number 3020-00-131-6889, 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 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 29 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 | 3020-00-131-6889 |
| Primary Part Number | 134611-501 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.090 INCHES BOTH ENDSUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.158 INCHES FIRST ENDUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.1876 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.250 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Design Type | SPUR SECOND GEARUNABLE TO DECODE |
| Design Type | SPUR FIRST GEARUNABLE TO DECODE |
| Bore Style | PLAIN BOTH ENDSUNABLE TO DECODE |
| Precision Classification | QUALITY NUMBER 11 FIRST GEARUNABLE TO DECODE |
| Nominal Overall Length | 0.290 INCHES IN |
| Material Document and Classification | UNABLE TO DECODE |
| Material Document and Classification | MIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |
| Material Document and Classification | QQ-S-766,CLASS 302,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| Material Document and Classification | QQ-S-766;CLASS 302,COND A FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Hub Style Designator | PLAIN SECOND ENDUNABLE TO DECODE |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE |
| Hub Style Designator | 1 STEP FIRST ENDUNABLE TO DECODE |
| Hub Nominal Length | 0.005 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 0.015 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Hub Nominal Length | 0.1975 INCHES FIRST ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter | 0.7112 INCHES SECOND GEARUNABLE TO DECODE IN |
| Nominal Outside Diameter | 0.7116 INCHES FIRST GEARUNABLE TO DECODE IN |
| Surface Treatment | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 FIRST GEARUNABLE TO DECODE |
| Material | STEEL COMP 302 SECOND GEARUNABLE TO DECODE |
| Material | STEEL COMP 303S SHAFT/HUB |
| Material | STEEL COMP 303S SHAFT/HUBUNABLE TO DECODE |
| Construction | ASSEMBLED |
| Attachment Method | CLAMP |
| 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 |
|---|---|
| 134611-501 PRIMARY | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
NSN 3020-00-131-6889 is a Gear Cluster, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-131-6889 has 1 manufacturer part number on file: 134611-501 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
Key specifications for 134611-501: Bore Nominal Diameter: 0.090 INCHES BOTH ENDSUNABLE TO DECODE IN; Hub Nominal Diameter: 0.158 INCHES FIRST ENDUNABLE TO DECODE IN; Hub Nominal Diameter: 0.1876 INCHES SECOND ENDUNABLE TO DECODE IN; Hub Nominal Diameter: 0.250 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN. 29 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.