The Gear,helical, cataloged under National Stock Number 3020-00-893-0895, 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 Wisconsin Motors, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-893-0895 |
| Primary Part Number | GD93C4 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.6250 INCHES BOTH ENDS IN |
| Helix Angle | 18.7665 DEGREES |
| Hub Nominal Diameter | 0.875 INCHES FIRST END IN |
| Teeth Quantity | 24 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.015 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 2.5310 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.7340 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.515 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 |
| Part Number | Manufacturer |
|---|---|
| GD93C4 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| JHP110-121 | 5/9 Secondary reference Hollingsworth John R Co |
NSN 3020-00-893-0895 is a Gear,helical, manufactured by Wisconsin Motors, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-893-0895 has 1 manufacturer part number on file: GD93C4 (Wisconsin Motors, Llc).
Key specifications for GD93C4: Bore Nominal Diameter: 0.6250 INCHES BOTH ENDS IN; Helix Angle: 18.7665 DEGREES; Hub Nominal Diameter: 0.875 INCHES FIRST END IN; Teeth Quantity: 24. 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.