The Filter Element,fluid, cataloged under National Stock Number 4330-01-178-6674, 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 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-178-6674 |
| Primary Part Number | U78B23N |
| 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 | BLOCK SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 2.562 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN |
| Body Overall Length | 29.219 INCHES MINIMUM AND 29.281 INCHES MAXIMUM IN |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 1.030 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | CELLULOSE 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 |
|---|---|
| U78B23N PRIMARY | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| Reference | Meaning |
|---|---|
| 51002-1PC32-GOV-PCK | 5/1 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 46288-13-02-0050 | 3/1 Design control — primary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 51143 PC 32 | 5/1 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 510021PC32 | 5/1 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
NSN 4330-01-178-6674 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 4330-01-178-6674 has 1 manufacturer part number on file: U78B23N (Solventum Purification Inc. Div Filtration and Separation Division).
Key specifications for U78B23N: Filtering Media Design: BLOCK SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 2.562 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN; Body Overall Length: 29.219 INCHES MINIMUM AND 29.281 INCHES MAXIMUM IN; Filtration Rating in Microns: 5.0 NOMINAL. 10 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.