The Head,fluid Filter, cataloged under National Stock Number 4330-01-185-8334, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-185-8334 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Class | 3B |
| Inlet Nominal Thread Size | 0.750 INCHES IN |
| Outlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Direction | RIGHT-HAND |
| Outlet Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND INLET |
| Inlet Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material | STEEL |
| Inlet Thread Class | 3B |
| Outlet Nominal Thread Size | 0.750 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C277-213-411 | C/1 Advisory reference — outside the item-of-supply concept Solventum Purification Inc. Div Filtration and Separation Division |
| C277-213-41 | 5/9 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 34160-31 | 3/9 Design control — primary reference Solventum Purification Inc. Div Filtration and Separation Division |
NSN 4330-01-185-8334 is a Head,fluid Filter, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-01-185-8334: Inlet Port Type: THREADED FEMALE, PLAIN; Outlet Thread Class: 3B; Inlet Nominal Thread Size: 0.750 INCHES IN; Outlet Port Type: THREADED FEMALE, PLAIN. 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.