The Filter Unit,fluid,pressure, cataloged under National Stock Number 4330-01-504-9477, 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 Pall Corp Div Pall Corporation. Government technical data includes 12 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-504-9477 |
| Primary Part Number | HNP021 |
| Item Name | Filter Unit,fluid,pressure |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Corp Div Pall Corporation |
| Status | ACTIVE |
| Filtering Material Design | MESH |
| Horsepower Rating | 3.000 |
| Power Source | ELECTRIC MOTOR |
| Mobility Support Type | CASTERS |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Flow Type | FULL |
| Filtering Element Quantity | 2 |
| Element Reusability Feature | REUSABLE |
| Wattage Rating | 2.250 KILOWATTS |
| Filtering Material Type | PLASTIC |
| Unit Type | SINGLE |
| Installation Design | MOBILE |
| 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 |
|---|---|
| HNP021 PRIMARY | Pall Corp Div Pall Corporation (USA) |
NSN 4330-01-504-9477 is a Filter Unit,fluid,pressure, manufactured by Pall Corp Div Pall Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-504-9477 has 1 manufacturer part number on file: HNP021 (Pall Corp Div Pall Corporation).
Key specifications for HNP021: Filtering Material Design: MESH; Horsepower Rating: 3.000; Power Source: ELECTRIC MOTOR; Mobility Support Type: CASTERS. 12 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.