The Gear Cluster, cataloged under National Stock Number 3020-00-941-5997, 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 L3harris Technologies, Inc.. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-941-5997 |
| Primary Part Number | 2037 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.187 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.812 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Counterbore Nominal Diameter | 0.5625 INCHES SECOND END IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | W/COUNTERBORE SECOND END |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 ALL GEARS |
| Nominal Overall Length | 0.800 INCHES IN |
| Material Document and Classification | QQ-B-728 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 2 STEPS FIRST END |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Nominal Length | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.4250 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.999 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 3.061 INCHES FIRST GEAR IN |
| Material | COPPER ALLOY 670 OR COPPER ALLOY 675 OVERALL |
| Counterbore Nominal Depth | 0.500 INCHES SECOND END IN |
| Construction | SOLID |
| 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 |
|---|---|
| 2037 PRIMARY | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2037 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-941-5997 is a Gear Cluster, manufactured by L3harris Technologies, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-941-5997 has 1 manufacturer part number on file: 2037 (L3harris Technologies, Inc.).
Key specifications for 2037: Bore Nominal Diameter: 0.187 INCHES SECOND END IN; Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Hub Nominal Diameter: 0.812 INCHES BETWEEN FIRST AND SECOND GEAR IN; Counterbore Nominal Diameter: 0.5625 INCHES SECOND END IN. 19 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.