The Filter Element,fluid, cataloged under National Stock Number 4330-01-378-6210, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-378-6210 |
| Primary Part Number | 843-07820-000 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Filtration Rating in Microns | 5.00 NOMINAL |
| Flow Direction | INSIDE OUT |
| Design Type | NONREUSABLE |
| Supplementary Features | USED ON WEAPON SYSTEM CODE FB, SPRUANCE CLASS DD L9 |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Filtering System for Which Designed | DUAL FLOW |
| Media for Which Designed | WATER |
| 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 |
|---|---|
| 843-07820-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 843-7820-000 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 333-7527 ITEM 21 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 843-07820-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 843-7820-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 333-7527 ITEM 21 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 333-7527 | D/9 Drawing number reference only Aqua-Chem, Inc. |
NSN 4330-01-378-6210 is a Filter Element,fluid, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-378-6210 has 3 manufacturer part numbers on file: 843-07820-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 843-7820-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 333-7527 ITEM 21 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 843-07820-000: Filtration Rating in Microns: 5.00 NOMINAL; Flow Direction: INSIDE OUT; Design Type: NONREUSABLE; Supplementary Features: USED ON WEAPON SYSTEM CODE FB, SPRUANCE CLASS DD L9. 7 specifications are 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.