The Filter,fluid, cataloged under National Stock Number 4330-01-043-1121, 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 Pall Industrial Hydraulics Corp. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-043-1121 |
| Primary Part Number | HH9020A12UPSBP |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Industrial Hydraulics Corp |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 3.0 ABSOLUTE |
| Distance Between Mounting Hole Centers | 3.120 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.062 INCHES IN |
| Drop Pressure | ERR-060 |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Body Outside Diameter | 2.900 INCHES NOMINAL IN |
| Temp Rating | -45.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 11.290 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| First Intake Thread Class | 2B |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Mounting Hole Diameter | 0.270 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE AND DIFFERENTIAL PRESSURE INDICATOR |
| Filtering Element Quantity | 1 |
| Body Length | 4.900 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW OR BY-PASS FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Differential Pressure | ERR-060 |
| Surface Treatment | ANODIZE BODY |
| Surface Treatment | ANODIZE SEDIMENT BOWL |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ALUMINUM SEDIMENT BOWL |
| Material | RUBBER BUNA N SEAL |
| Material | ALUMINUM BODY |
| 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 |
|---|---|
| HH9020A12UPSBP PRIMARY | Pall Industrial Hydraulics Corp (USA) |
| 15P-2-03B-M1-50-MM-1 | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
| Reference | Meaning |
|---|---|
| 332-2762 | D/9 Drawing number reference only Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 332-2762-010 | 5/9 Secondary reference U.S. Government activity |
| FHP-16B15A1 | 5/9 Secondary reference David Brown Hydraulics Inc Dba Hydreco |
NSN 4330-01-043-1121 is a Filter,fluid, manufactured by Pall Industrial Hydraulics Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-043-1121 has 2 manufacturer part numbers on file: HH9020A12UPSBP (Pall Industrial Hydraulics Corp), 15P-2-03B-M1-50-MM-1 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-179-5618. Verify interchangeability with system specifications before substitution.
Key specifications for HH9020A12UPSBP: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 2; Filtration Rating in Microns: 3.0 ABSOLUTE; Distance Between Mounting Hole Centers: 3.120 INCHES NOMINAL IN. 29 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.