The Filter Element,fluid, cataloged under National Stock Number 1650-01-446-6161, 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 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-446-6161 |
| Primary Part Number | QA03903 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Supplementary Features | ORGANIC AND INORGANIC RESIN BONDED FIBRES W/ALUMINIUM ALLOY HARDWARE;ALUMINIUM ALLOY/CRES MESH;2.500 IN. LG BY 2.010 IN. DIA. IN |
| 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 |
|---|---|
| 704A34629016 | Airbus Helicopters (ets De Marignane) (FRA) |
| QA03903 | Pall France Sa Division Pall Aerospace (FRA) |
| 704A34629016 | Airbus Helicopters Uk Ltd (GBR) |
| QA03903 PRIMARY | Pall Aeropower Corporation (USA) |
NSN 1650-01-446-6161 is a Filter Element,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-446-6161 has 4 manufacturer part numbers on file: 704A34629016 (Airbus Helicopters (ets De Marignane)), QA03903 (Pall France Sa Division Pall Aerospace), 704A34629016 (Airbus Helicopters Uk Ltd), QA03903 (Pall Aeropower Corporation).
Key specifications for QA03903: Supplementary Features: ORGANIC AND INORGANIC RESIN BONDED FIBRES W/ALUMINIUM ALLOY HARDWARE;ALUMINIUM ALLOY/CRES MESH;2.500 IN. LG BY 2.010 IN. DIA. IN. 1 specification is 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.