The Filter Element,fluid, cataloged under National Stock Number 4330-01-640-9507, 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 United Filtration Systems, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-640-9507 |
| Primary Part Number | LE-818-20CW |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | United Filtration Systems, Inc |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 4.875 INCHES NOMINAL IN |
| Filtration Rating in Microns | 0.500 NOMINAL |
| Flow Direction | INSIDE OUT OR OUTSIDE IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Material | PLASTIC POLYPROPYLENE FILTERING MEDIUM |
| 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 |
|---|---|
| LE-818-20CW PRIMARY | United Filtration Systems, Inc (USA) |
| FS-C20R5S PRIMARY | Service Filtration Corp (USA) |
| Reference | Meaning |
|---|---|
| BB-8001988-01(57) | 5/2 Secondary reference U.S. Government activity |
NSN 4330-01-640-9507 is a Filter Element,fluid, manufactured by United Filtration Systems, Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-640-9507 has 2 manufacturer part numbers on file: LE-818-20CW (United Filtration Systems, Inc), FS-C20R5S (Service Filtration Corp).
Key specifications for LE-818-20CW: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 4.875 INCHES NOMINAL IN; Filtration Rating in Microns: 0.500 NOMINAL; Flow Direction: INSIDE OUT OR OUTSIDE IN. 7 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.