The Filter Element,fluid, cataloged under National Stock Number 4330-01-397-7908, 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 States Filters Plymouth Products Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-397-7908 |
| Primary Part Number | WPX25BB97P |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | United States Filters Plymouth Products Div |
| Status | ACTIVE |
| Filtering Media Design | SPUN FIRST FILTERING MEDIA RESPONSE |
| Body Diameter | 4.000 INCHES NOMINAL IN |
| Body Overall Length | 9.875 INCHES NOMINAL IN |
| Filtration Rating in Microns | 25.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Temp Rating | 32.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | WATER |
| Material | PLASTIC POLYPROPYLENE 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 |
|---|---|
| WPX25BB97P PRIMARY | United States Filters Plymouth Products Div (USA) |
| Reference | Meaning |
|---|---|
| WPX25BB97B | C/1 Advisory reference — outside the item-of-supply concept United States Filters Plymouth Products Div |
NSN 4330-01-397-7908 is a Filter Element,fluid, manufactured by United States Filters Plymouth Products Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-397-7908 has 1 manufacturer part number on file: WPX25BB97P (United States Filters Plymouth Products Div).
Key specifications for WPX25BB97P: Filtering Media Design: SPUN FIRST FILTERING MEDIA RESPONSE; Body Diameter: 4.000 INCHES NOMINAL IN; Body Overall Length: 9.875 INCHES NOMINAL IN; Filtration Rating in Microns: 25.0 NOMINAL. 11 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.