The Filter Element,fluid, cataloged under National Stock Number 1650-01-328-5588, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-328-5588 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Body Diameter | 0.832 INCHES NOMINAL IN |
| Body Overall Length | 4.000 INCHES NOMINAL IN |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Flow Direction | INSIDE OUT |
| Drop Pressure | ERR-060 |
| Design Type | NONREUSABLE |
| Temp Rating | 100.0 FAHRENHEIT NOMINAL DEGF |
| Filtering System for Which Designed | BY-PASS FLOW |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 266599-3 | 5/9 Secondary reference Pti Technologies Inc. |
| 7591103-101-SM | 5/1 Secondary reference Pti Technologies Inc. |
| 7591103 | 5/9 Secondary reference Pti Technologies Inc. |
| AC-B848F-2 | 5/9 Secondary reference Pall Aeropower Corporation |
| 266599-3 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 266599-1 | 5/9 Secondary reference Pall Aeropower Corporation |
| 266599-1 | 5/9 Secondary reference U.S. Government activity |
| 7591103-101 | 5/9 Secondary reference Pti Technologies Inc. |
| 266599-3 | 3/2 Design control — primary reference U.S. Government activity |
| AC-B848F-1 | 5/9 Secondary reference Pall Aeropower Corporation |
NSN 1650-01-328-5588 is a Filter Element,fluid, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-328-5588: Body Diameter: 0.832 INCHES NOMINAL IN; Body Overall Length: 4.000 INCHES NOMINAL IN; Filtration Rating in Microns: 5.0 NOMINAL; Flow Direction: INSIDE OUT. 9 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.