The Filter,fluid, cataloged under National Stock Number 4330-01-203-0519, 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 Carrier Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,fluid |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Carrier Corp (CAGE 10855) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-203-0519 |
| Primary Part Number | 5MH80-323 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Carrier Corp |
| 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 |
|---|---|
| 5MH80-189 ITEM 57 | Carrier Corp (USA) |
| 5MH80-323 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 5MH80-189 | 5/9 Secondary reference Carrier Corp Transicold Div |
NSN 4330-01-203-0519 is a Filter,fluid, manufactured by Carrier Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-203-0519 has 2 manufacturer part numbers on file: 5MH80-189 ITEM 57 (Carrier Corp), 5MH80-323 (Carrier Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-210-0247. 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.