The Gear,helical, cataloged under National Stock Number 3020-01-355-7685, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-355-7685 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Material | STEEL 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 |
|---|---|
| R-16881 | D/9 Drawing number reference only New England Trawler Equipment Co |
| C-16901 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R-16881 PC 14 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| C-16901 | 3/9 Design control — primary reference New England Trawler Equipment Co |
| R-16881 PC NO 14 | 5/9 Secondary reference New England Trawler Equipment Co |
NSN 3020-01-355-7685 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-355-9111, 3950-01-363-3838. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-355-7685: End Item Identification: MODEL X-2164,NEW ENGLAND TRAWLER,CAPSTAN; Material: STEEL OVERALL. 1 specification is 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.