The Filter,fluid, cataloged under National Stock Number 4330-01-371-9478, 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 24 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-371-9478 |
| Primary Part Number | 15P110QBM2KS121 |
| 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 | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 7.5 NOMINAL |
| First Intake Nominal Thread Size | 1.000 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.000 INCHES NOMINAL IN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 8.510 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| First Intake Thread Class | 2B |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 3000.0 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 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Differential Pressure | ERR-060 |
| Surface Treatment | ANODIZE FILTERING MEDIUM |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ALUMINUM ALLOY 6061 BODY |
| Material | GLASS FIBER FILTERING MEDIUM |
| First Intake Thread Quantity Per Inch | 16 |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION HEAD SIDE |
| 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 |
|---|---|
| 15P110QBM2KS121 PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
| Reference | Meaning |
|---|---|
| D-WK-764-6 | D/9 Drawing number reference only Walz and Krenzer Inc |
| 15P-1-10B-M-50- | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| D-WK-764-6 ITEM 39 | 5/9 Secondary reference Walz and Krenzer Inc |
| 15P-1-10B-M-50-MM-1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| D-WK-764-6 ITEM 39 | 5/2 Secondary reference U.S. Government activity |
NSN 4330-01-371-9478 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 4330-01-371-9478 has 1 manufacturer part number on file: 15P110QBM2KS121 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-372-0019, 4330-01-372-1542. Verify interchangeability with system specifications before substitution.
Key specifications for 15P110QBM2KS121: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 7.5 NOMINAL; First Intake Nominal Thread Size: 1.000 INCHES IN; First Intake Thread Series Designator: UN. 24 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.