The Filter Element,fluid, cataloged under National Stock Number 4330-01-398-9991, 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 Solventum Purification Inc. Div Filtration and Separation Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-398-9991 |
| Primary Part Number | RT19B16G20NN |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Solventum Purification Inc. Div Filtration and Separation Division |
| Status | ACTIVE |
| Filtering Media Design | MATTED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 2.583 INCHES NOMINAL IN |
| Body Overall Length | 6.440 INCHES NOMINAL IN |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Temp Rating | 115.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 1.050 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Differential Pressure | ERR-060 |
| Media for Which Designed | AIR |
| Material | CELLULOSE AND FIBER SYNTHETIC 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 |
|---|---|
| RT19B16G20NN PRIMARY | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| Reference | Meaning |
|---|---|
| 1150-4000 | 5/9 Secondary reference U.S. Government activity |
| 9066-4000 ITEM 1 | 5/9 Secondary reference U.S. Government activity |
| RT19B16G20NN | 5/9 Secondary reference U.S. Government activity |
NSN 4330-01-398-9991 is a Filter Element,fluid, manufactured by Solventum Purification Inc. Div Filtration and Separation Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-398-9991 has 1 manufacturer part number on file: RT19B16G20NN (Solventum Purification Inc. Div Filtration and Separation Division).
Key specifications for RT19B16G20NN: Filtering Media Design: MATTED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 2.583 INCHES NOMINAL IN; Body Overall Length: 6.440 INCHES NOMINAL IN; Filtration Rating in Microns: 5.0 NOMINAL. 13 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.