The Gear,helical, cataloged under National Stock Number 3020-01-346-4402, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-346-4402 |
| Primary Part Number | 3237554 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Helix Angle | 5.0000 DEGREES |
| Teeth Quantity | 39 |
| Body Style | WEBBED, OFFSET, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2500 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 2.0620 INCHES SECOND END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTUDING HUBS |
| Pitch Diameter | 3.9149 INCHES NOMINAL IN |
| Nominal Outside Diameter | 4.1150 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 2.0000 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 3237554 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-01-346-4402 is a Gear,helical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-4402 has 1 manufacturer part number on file: 3237554 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3237554: Helix Angle: 5.0000 DEGREES; Teeth Quantity: 39; Body Style: WEBBED, OFFSET, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.2500 INCHES FIRST END IN. 12 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.