The Gear,helical, cataloged under National Stock Number 3020-01-329-9942, 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 Ct Laboratories, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Ct Laboratories, Llc (CAGE 3DGE9); Meritor Heavy Vehicle Systems, Llc (CAGE 78500) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-329-9942 |
| Primary Part Number | 3892-N-4902S |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ct Laboratories, Llc |
| 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 |
|---|---|
| 3892-N-4902S PRIMARY | Ct Laboratories, Llc (USA) |
| 3892-L-5940 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3892-N-4902 | 3/9 Design control — primary reference Meritor Industrial Products, Llc |
| 3892-N-4902 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| 3892-N-49025 | D/9 Drawing number reference only Meritor Heavy Vehicle Systems, Llc |
NSN 3020-01-329-9942 is a Gear,helical, manufactured by Ct Laboratories, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-329-9942 has 2 manufacturer part numbers on file: 3892-N-4902S (Ct Laboratories, Llc), 3892-L-5940 (Meritor Heavy Vehicle Systems, Llc).
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.