The Gear Cluster, cataloged under National Stock Number 3020-01-466-1863, 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 Customer Service & Support Company Div General Dynamics Land Systems Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-466-1863 |
| Primary Part Number | 92007A0403 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.474 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.680 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.680 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.280 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Surface Treatment Document and Classification | MIL-STD-171, PARAS. 5.3.1.3 OR 5.3.2.3 MIL STD 1ST TREATMENT RESPONSE OVERALL |
| Design Type | SPUR ALL GEARS |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 8 SECOND GEAR |
| Precision Classification | QUALITY NUMBER 9 FIRST GEAR |
| Nominal Overall Length | 1.867 INCHES IN |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Style Designator | PLAIN FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Hub Nominal Length | 0.182 INCHES FIRST END IN |
| Hub Nominal Length | 0.127 INCHES SECOND END IN |
| Hub Nominal Length | 0.850 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 3.585 INCHES FIRST GEAR IN |
| Surface Treatment | PHOSPHATE AND LUBRICANT DRY FILM OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 92007A0403 PRIMARY | General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 92007A0403 | 5/9 Secondary reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| 92007A0403 | D/9 Drawing number reference only Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 3020-01-466-1863 is a Gear Cluster, manufactured by General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-466-1863 has 1 manufacturer part number on file: 92007A0403 (General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc).
Key specifications for 92007A0403: Bore Nominal Diameter: 0.474 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.680 INCHES SECOND END IN; Hub Nominal Diameter: 0.680 INCHES FIRST END IN; Hub Nominal Diameter: 1.280 INCHES BETWEEN FIRST AND SECOND GEAR IN. 21 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.