The Filter,fluid, cataloged under National Stock Number 4330-01-437-1559, 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 Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-437-1559 |
| Primary Part Number | 9A001-00-B-01 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| 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 |
|---|---|
| PL9A001-00-CR2 FIND NO.3 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 9A001-00-B-01 PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| PL9A001-00-CR2 | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4330-01-437-1559 is a Filter,fluid, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-437-1559 has 2 manufacturer part numbers on file: PL9A001-00-CR2 FIND NO.3 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 9A001-00-B-01 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 9A001-00-B-01: Special Features: NAVY W/S CODE JK WASP CLASS LHD; Media for Which Designed: FUEL/OIL, HYDROCARBON; End Item Identification: MARLO COIL REFRIGERATION CONDENSING UNIT NO. R22. 1 specification is 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.