The Pulley,flat, cataloged under National Stock Number 3020-01-107-9701, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Pulley,flat |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-107-9701 |
| Primary Part Number | C3352-1R019A |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| 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 |
|---|---|
| C3352-1R019A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| C-3353 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| A-2220 PIECE 153 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| D4503 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
| C-3353-BUSH | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-D4503PC120 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-D4502PC122 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| PL-D4453PC119 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| PL-A-2220 PIECE | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 3020-01-107-9701 is a Pulley,flat, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-107-9701 has 2 manufacturer part numbers on file: C3352-1R019A (Circor Naval Solutions Llc Dba Warren Pumps), C-3353 (Circor Naval Solutions Llc Dba Warren Pumps).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-445-0453, 4320-01-633-0206. Verify interchangeability with system specifications before substitution.
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.