The Filter,fluid, cataloged under National Stock Number 4330-01-290-4490, 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 Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-290-4490 |
| Primary Part Number | 12AT25CN3BBRO |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| Status | ACTIVE |
| Filtration Rating in Microns | 5.0 NOMINAL |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| First Intake Thread Series Designator | NPTF |
| Design Type | REUSABLE |
| Body Outside Diameter | 3.750 INCHES NOMINAL IN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 7.140 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD |
| Style Designator | THREADED SHELL (MASON JAR) |
| Features Provided | BY-PASS VALVE |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | BY-PASS FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | RUBBER BUNA N SEAL |
| Material | CELLULOSE FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| 12AT25CN3BBRO PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
NSN 4330-01-290-4490 is a Filter,fluid, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-290-4490 has 1 manufacturer part number on file: 12AT25CN3BBRO (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
Key specifications for 12AT25CN3BBRO: Filtration Rating in Microns: 5.0 NOMINAL; First Intake Nominal Thread Size: 0.750 INCHES IN; First Intake Thread Series Designator: NPTF; Design Type: REUSABLE. 18 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.