The Gear,helical, cataloged under National Stock Number 3020-01-100-0819, 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 Perkins Engines Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gear,helical |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Tld Wollard Llc (CAGE 44185); Perkins Engines Inc (CAGE 13446) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-100-0819 |
| Primary Part Number | 31171681 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| M31171681 | Tld Wollard Llc (USA) |
| 31171681 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 02/190001 | 5/9 Secondary reference Tld Wollard Llc |
| 168699 | C/1 Advisory reference — outside the item-of-supply concept Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 168699 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 3020-01-100-0819 is a Gear,helical, manufactured by Perkins Engines Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-100-0819 has 2 manufacturer part numbers on file: M31171681 (Tld Wollard Llc), 31171681 (Perkins Engines Inc).
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.