The Filter Element,fluid, cataloged under National Stock Number 4330-01-443-0529, 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 Liebert Corp. Government technical data includes 8 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-443-0529 |
| Primary Part Number | A-0020 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Liebert Corp |
| Status | ACTIVE |
| Body Overall Length | 24.000 INCHES NOMINAL IN |
| Flow Direction | PARALLEL |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | AIR |
| Material | CARDBOARD FRAME |
| Material | GLASS FIBER FILTERING MEDIUM |
| Body Thickness | 4.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| A-0020 PRIMARY | Liebert Corp (USA) |
NSN 4330-01-443-0529 is a Filter Element,fluid, manufactured by Liebert Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-443-0529 has 1 manufacturer part number on file: A-0020 (Liebert Corp).
1 possible match (shared part number, not a government interchangeability claim): 1670-01-717-2148. Verify interchangeability with system specifications before substitution.
Key specifications for A-0020: Body Overall Length: 24.000 INCHES NOMINAL IN; Flow Direction: PARALLEL; Style Designator: RECTANGULAR (INCL SQUARE); Overall Width: 18.000 INCHES NOMINAL IN. 8 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.