The Head,fluid Filter, cataloged under National Stock Number 4330-01-197-3778, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-197-3778 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Inlet Nominal Thread Size | 1.500 INCHES IN |
| Outlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Direction | RIGHT-HAND |
| Outlet Thread Series Designator | NPT |
| Mounting Bolt Hole | NOT PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | NOT INCLUDED |
| Inlet Thread Series Designator | NPT |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM |
| Outlet Nominal Thread Size | 1.500 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 |
|---|---|
| 609852 | 5/9 Secondary reference Zenith Fuel Systems Llc |
| 609852 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-197-3778 is a Head,fluid Filter, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-01-197-3778: Inlet Port Type: THREADED FEMALE, PLAIN; Inlet Nominal Thread Size: 1.500 INCHES IN; Outlet Port Type: THREADED FEMALE, PLAIN; Outlet Thread Direction: RIGHT-HAND. 12 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.