The Filter,fluid, cataloged under National Stock Number 4330-01-154-9778, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-154-9778 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Distance Between Mounting Hole Centers | 1.484 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.500 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | NONREUSABLE |
| Body Outside Diameter | 3.752 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 7.125 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE SIDE NEAR TOP |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Features Provided | BY-PASS VALVE |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL CONTAINER/CARTRIDGE |
| Mounting Type | THREADED HOLE TOP |
| 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 |
|---|---|
| 520-515 | 3/2 Design control — primary reference U.S. Government activity |
| CP-500-10/15 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4330-01-154-9778 is a Filter,fluid, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 7195-01-393-8072, 3010-01-711-1939, 5895-01-720-6213. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-154-9778: Mounting Hole Quantity: 2; Filtration Rating in Microns: 10.0 NOMINAL; Distance Between Mounting Hole Centers: 1.484 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.500 INCHES IN. 19 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.