The Filter Element,fluid, cataloged under National Stock Number 1650-01-266-9729, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-266-9729 |
| Primary Part Number | AC-A089F-475 |
| Item Name | Filter Element,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 |
| Design Type | NONREUSABLE |
| Temp Rating | 300.0 FAHRENHEIT NOMINAL DEGF |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING BODY |
| Material | GLASS FIBER FILTERING MEDIUM |
| 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 |
|---|---|
| AC-A089F-475 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1748081 | 5/9 Secondary reference U.S. Government activity |
| 70351-38801-103 | 5/1 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1650-01-266-9729 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 1650-01-266-9729 has 1 manufacturer part number on file: AC-A089F-475 (Pall Aeropower Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-554-1852. Verify interchangeability with system specifications before substitution.
Key specifications for AC-A089F-475: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Design Type: NONREUSABLE; Temp Rating: 300.0 FAHRENHEIT NOMINAL DEGF; Special Features: FILTRATION RATING 75.0 MICRONS;COLLASIBLE RATING 100.0 PSI. 6 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.