The Head,fluid Filter, cataloged under National Stock Number 4330-00-449-2323, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4330-00-449-2323 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, GASKET SEAL |
| Usage Design | ONE SEDIMENT BOWL |
| Outlet Thread Class | 2B |
| Inlet Nominal Thread Size | 0.750 INCHES IN |
| Outlet Port Type | THREADED FEMALE, GASKET SEAL |
| Outlet Thread Direction | RIGHT-HAND |
| Mounting Method | THREAD BOWL |
| Quantity | 2 |
| Outlet Thread Series Designator | UNF |
| Mounting Bolt Hole | PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | INCLUDED |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Inlet Thread Series Designator | UNF |
| Valve Type | BYPASS |
| Bowl Mounting Hole Diameter | 2.250 INCHES NOMINAL IN |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Inlet Thread Class | 2B |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 62-10273 | 3/2 Design control — primary reference U.S. Government activity |
| 11-11473PC1 | 5/9 Secondary reference U.S. Government activity |
| 62-10273 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-00-449-2323 is a Head,fluid Filter, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-00-449-2323: Overall Height: 2.500 INCHES NOMINAL IN; Inlet Port Type: THREADED FEMALE, GASKET SEAL; Usage Design: ONE SEDIMENT BOWL; Outlet Thread Class: 2B. 21 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.