The Gear,helical, cataloged under National Stock Number 3020-01-147-5990, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-147-5990 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Helix Angle | 0.7500 RADIANS |
| Teeth Quantity | 85 |
| Pressure Angle | 0.500 RADIANS |
| Material | PLASTIC OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3323049 | 3/2 Design control — primary reference U.S. Government activity |
| 3323049 | 5/9 Secondary reference Kosmo Gears |
| 3323049 | 5/1 Secondary reference Southern Gear & Machine Inc |
| 3323049 | 5/9 Secondary reference Arch Gear Works Inc |
NSN 3020-01-147-5990 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-147-5990: Helix Angle: 0.7500 RADIANS; Teeth Quantity: 85; End Item Identification: 1440-01-088-8402; Pressure Angle: 0.500 RADIANS. 4 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.