The Filter,fluid, cataloged under National Stock Number 4330-01-258-5203, 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 25 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-258-5203 |
| Primary Part Number | 274A-BV50-JL122 |
| 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 |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 5.0 ABSOLUTE |
| Distance From Bottom of Body to Center of Inlet | 7.560 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.312 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 212.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 3.070 INCHES NOMINAL IN |
| Body Height | 8.940 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| First Intake Thread Class | 2B |
| Style Designator | TEE TYPE (HYDRAULIC) |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE AND DIFFERENTIAL PRESSURE INDICATOR AND DRAIN PLUG |
| Filtering Element Quantity | 1 |
| Body Length | 5.300 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | FIBER FILTERING MEDIUM |
| Material | RUBBER BUNA N SEAL |
| Material | IRON AND STEEL BODY |
| First Intake Thread Quantity Per Inch | 12 |
| 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 |
|---|---|
| 274A-BV50-JL122 PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
| Reference | Meaning |
|---|---|
| 274A-BV50-JL122 | 3/9 Design control — primary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 274A-2N50-JE105 | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 274A-2N50-J2-105 | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 274A-2N50-J-105 | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 508-00-1800 | D/9 Drawing number reference only Drs Sustainment Systems, Inc. |
NSN 4330-01-258-5203 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 4330-01-258-5203 has 1 manufacturer part number on file: 274A-BV50-JL122 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
Key specifications for 274A-BV50-JL122: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 5.0 ABSOLUTE; Distance From Bottom of Body to Center of Inlet: 7.560 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.312 INCHES IN. 25 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.