The Gear,helical, cataloged under National Stock Number 3020-01-218-1975, 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 Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-218-1975 |
| Primary Part Number | 165B0011F164F |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| 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 |
|---|---|
| 165B0011F164F PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 16580011F164F | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| A-1628 ITEM 15 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| A-1628 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
NSN 3020-01-218-1975 is a Gear,helical, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-218-1975 has 1 manufacturer part number on file: 165B0011F164F (Circor Naval Solutions Llc Dba Warren Pumps).
4 possible matches (shared part number, not a government interchangeability claim): 4330-01-219-9363, 8455-01-665-8745, 8455-01-713-7652. Verify interchangeability with system specifications before substitution.
Key specifications for 165B0011F164F: 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.