The Filter,fluid, cataloged under National Stock Number 4330-01-495-4256, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-495-4256 |
| Primary Part Number | 4ZL49 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Body Overall Length | 7.670 INCHES NOMINAL IN |
| Temp Rating | 175.0 FAHRENHEIT MAXIMUM DEGF |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Material | METAL SEDIMENT BOWL |
| 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 |
|---|---|
| 4ZL49 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 2Z329B | 5/9 Secondary reference Dayton Electric Mfg Co |
| 2Z329 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4330-01-495-4256 is a Filter,fluid, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-495-4256 has 1 manufacturer part number on file: 4ZL49 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 4ZL49: Body Overall Length: 7.670 INCHES NOMINAL IN; Temp Rating: 175.0 FAHRENHEIT MAXIMUM DEGF; Overall Width: 3.240 INCHES NOMINAL IN; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 4 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.