The Gear,helical, cataloged under National Stock Number 3020-01-235-9798, 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 Calgon Carbon Uv Technologies Llc Dba Hyde Marine. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-235-9798 |
| Primary Part Number | 950416 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 310238 PIECE 80 | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| 950416 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| Reference | Meaning |
|---|---|
| 20980 | D/9 Drawing number reference only Bath Iron Works Corporation |
NSN 3020-01-235-9798 is a Gear,helical, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-235-9798 has 2 manufacturer part numbers on file: 310238 PIECE 80 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 950416 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-235-9799, 3020-01-235-9800, 3110-01-353-4478. Verify interchangeability with system specifications before substitution.
Key specifications for 950416: 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.