The Gear,helical, cataloged under National Stock Number 3020-00-358-8599, 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 Dana Off Highway Products, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-358-8599 |
| Primary Part Number | 200473 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.1875 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.313 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.313 INCHES FIRST END IN |
| Teeth Quantity | 26 |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.2500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 15 BOTH ENDS |
| Nominal Outside Diameter | 3.4375 INCHES IN |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.875 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-358-8599 is a Gear,helical, manufactured by Dana Off Highway Products, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-358-8599 has 2 manufacturer part numbers on file: 07-200473 (Tvh Parts Co.), 200473 (Dana Off Highway Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-00-359-8881, 5310-00-961-9002. Verify interchangeability with system specifications before substitution.
Key specifications for 200473: Bore Nominal Diameter: 2.1875 INCHES FIRST END IN; Hub Nominal Diameter: 1.313 INCHES SECOND END IN; Hub Nominal Diameter: 2.313 INCHES FIRST END IN; Teeth Quantity: 26. 13 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.