The Filter Unit,fluid,pressure, cataloged under National Stock Number 4330-01-196-7721, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Watts Regulator Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter Unit,fluid,pressure |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Watts Regulator Company (CAGE 79227) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-196-7721 |
| Primary Part Number | C628-10-FLWJW |
| Item Name | Filter Unit,fluid,pressure |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Watts Regulator Company |
| 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 |
|---|---|
| C628-10-FLWJW PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 105781 | 5/9 Secondary reference Eckel Mfg Co |
| 156-C-204 | D/9 Drawing number reference only Eckel Mfg Co |
| 676-10 | 5/9 Secondary reference Watts Regulator Company |
NSN 4330-01-196-7721 is a Filter Unit,fluid,pressure, manufactured by Watts Regulator Company, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-196-7721 has 1 manufacturer part number on file: C628-10-FLWJW (Watts Regulator Company).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-197-8942, 5895-01-356-9132, 5985-01-530-1053. 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.