The Filter Element,fluid, cataloged under National Stock Number 4330-01-350-3906, 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 Leroi International Inc Dba Compair Leroi. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-350-3906 |
| Primary Part Number | 57019 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Leroi International Inc Dba Compair Leroi |
| Status | ACTIVE |
| Body Overall Length | 640.0 MILLIMETERS NOMINAL MM |
| Flow Direction | INSIDE OUT |
| Design Type | LIMITED |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Filtering System for Which Designed | BY-PASS FLOW |
| Media for Which Designed | AIR |
| Material | PLASTIC POLYURETHANE FILTERING MEDIUM |
| Body Thickness | 25.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 57019 PRIMARY | Leroi International Inc Dba Compair Leroi (USA) |
| Reference | Meaning |
|---|---|
| 57019 | 5/9 Secondary reference Goldshield Pharmaceuticals Ltd |
| 5701721 | 5/9 Secondary reference Leroi International Inc Dba Compair Leroi |
| 57019 | 5/9 Secondary reference Compair Kellogg Div of Robertshaw Controls Co |
| 5701721 | 5/9 Secondary reference Compair Kellogg Div of Robertshaw Controls Co |
NSN 4330-01-350-3906 is a Filter Element,fluid, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-350-3906 has 1 manufacturer part number on file: 57019 (Leroi International Inc Dba Compair Leroi).
Key specifications for 57019: Body Overall Length: 640.0 MILLIMETERS NOMINAL MM; Flow Direction: INSIDE OUT; Design Type: LIMITED; Style Designator: RECTANGULAR (INCL SQUARE). 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.