The Filter,fluid, cataloged under National Stock Number 4330-01-239-3475, 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 Marco Seattle Inc Dba Marco. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4330-01-239-3475 |
| Primary Part Number | 84840 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Marco Seattle Inc Dba Marco |
| Status | ACTIVE |
| Design Type | NONREUSABLE |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| 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 |
|---|---|
| 84840 PRIMARY | Marco Seattle Inc Dba Marco (USA) |
| Reference | Meaning |
|---|---|
| S0-1-CMR-AL-149 | C/1 Advisory reference — outside the item-of-supply concept Marco Seattle Inc Dba Marco |
| SQ-1-CRM-AL-149 | C/1 Advisory reference — outside the item-of-supply concept Norco Products Inc Filter Div |
NSN 4330-01-239-3475 is a Filter,fluid, manufactured by Marco Seattle Inc Dba Marco, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-239-3475 has 1 manufacturer part number on file: 84840 (Marco Seattle Inc Dba Marco).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-663-7840. Verify interchangeability with system specifications before substitution.
Key specifications for 84840: Design Type: NONREUSABLE; Filtering Element Quantity: 1; Filtering System for Which Designed: FULL FLOW. 3 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.