The Filter,fluid, cataloged under National Stock Number 1650-00-165-4846, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-165-4846 |
| Primary Part Number | AC3258-12H2Y3 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| FSC Application Data | HYDRAULIC SYSTEM,AIRCRAFT |
| Filtration Rating in Microns | 15.0 ABSOLUTE AND 1.5 NOMINAL |
| First Intake Nominal Thread Size | 1.062 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM IN |
| Body Height | 2.550 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE |
| Filtering Element Quantity | 1 |
| Body Length | 10.492 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | ALUMINUM ALLOY SEDIMENT BOWL |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| First Intake Thread Quantity Per Inch | 12 |
| Mounting Type | UNTHREADED HOLE HEAD |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| AC3258-12H2Y3 | Pall Aeropower Corporation (USA) |
| 123SCH189-12 | Northrop Grumman Systems Corporation (USA) |
NSN 1650-00-165-4846 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-165-4846 has 2 manufacturer part numbers on file: AC3258-12H2Y3 (Pall Aeropower Corporation), 123SCH189-12 (Northrop Grumman Systems Corporation).
Key specifications for AC3258-12H2Y3: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; FSC Application Data: HYDRAULIC SYSTEM,AIRCRAFT; Filtration Rating in Microns: 15.0 ABSOLUTE AND 1.5 NOMINAL; First Intake Nominal Thread Size: 1.062 INCHES IN. 20 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.