The Filter Element,fluid, cataloged under National Stock Number 4330-00-573-4545, 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 Falls Filtration Technologies, Inc.. Government technical data includes 5 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-573-4545 |
| Primary Part Number | D3W1575-231 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Body Diameter | 3.100 INCHES NOMINAL IN |
| Body Overall Length | 4.380 INCHES NOMINAL IN |
| Style Designator | MULTIPLE STACKED DISKS, W/OUT CLEANING BLADES |
| Body Inside Diameter | 1.145 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| D18W181575-21 | Falls Filtration Technologies, Inc. (USA) |
| D3W1575-231 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
NSN 4330-00-573-4545 is a Filter Element,fluid, manufactured by Falls Filtration Technologies, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-573-4545 has 2 manufacturer part numbers on file: D18W181575-21 (Falls Filtration Technologies, Inc.), D3W1575-231 (Falls Filtration Technologies, Inc.).
Key specifications for D3W1575-231: Body Diameter: 3.100 INCHES NOMINAL IN; Body Overall Length: 4.380 INCHES NOMINAL IN; Style Designator: MULTIPLE STACKED DISKS, W/OUT CLEANING BLADES; Body Inside Diameter: 1.145 INCHES NOMINAL IN. 5 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.