The Gear,helical, cataloged under National Stock Number 3020-01-040-5368, 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 Oshkosh Defense Llc. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-040-5368 |
| Primary Part Number | EE59456 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.413 INCHES BOTH ENDS IN |
| Helix Angle | 16.2665 DEGREES |
| Hub Nominal Diameter | 4.620 INCHES BOTH ENDS IN |
| Teeth Quantity | 47 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | LEFT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 9.7920 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 26 BOTH ENDS |
| Nominal Outside Diameter | 10.187 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Spline Pitch Diameter | 3.2500 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 2.500 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 |
|---|---|
| EE59456 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 59456 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| EE59456 | 5/9 Secondary reference Oshkosh Corp |
NSN 3020-01-040-5368 is a Gear,helical, manufactured by Oshkosh Defense Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-040-5368 has 1 manufacturer part number on file: EE59456 (Oshkosh Defense Llc).
Key specifications for EE59456: Bore Nominal Diameter: 3.413 INCHES BOTH ENDS IN; Helix Angle: 16.2665 DEGREES; Hub Nominal Diameter: 4.620 INCHES BOTH ENDS IN; Teeth Quantity: 47. 18 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.