The Filter,fluid, cataloged under National Stock Number 4330-00-592-4081, 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 15 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 | 4330-00-592-4081 |
| Primary Part Number | 1B1-2278F1 |
| Item Name | Filter,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 | MOLDED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 25.00 NOMINAL |
| First Intake Nominal Thread Size | 1.000 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.250 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL PIPE TOP |
| Features Provided | DRAIN PLUG |
| Filtering Element Quantity | 1 |
| Body Length | 12.875 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | STEEL SEDIMENT BOWL |
| Material | WOOL FILTERING MEDIUM |
| First Intake Thread Quantity Per Inch | 11-1/2 |
| 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 |
|---|---|
| 1B1G78F9 | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| 1B1-2278F1 PRIMARY | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
NSN 4330-00-592-4081 is a Filter,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 4330-00-592-4081 has 2 manufacturer part numbers on file: 1B1G78F9 (Solventum Purification Inc. Div Filtration and Separation Division), 1B1-2278F1 (Solventum Purification Inc. Div Filtration and Separation Division).
Key specifications for 1B1-2278F1: Filtering Media Design: MOLDED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 25.00 NOMINAL; First Intake Nominal Thread Size: 1.000 INCHES IN; First Intake Thread Series Designator: NPT. 15 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.