The Filter Element,fluid, cataloged under National Stock Number 1650-01-374-9543, 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 Falls Filtration Technologies, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-374-9543 |
| Primary Part Number | R9W2388 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Body Overall Length | 2.599 INCHES NOMINAL IN |
| Filtration Rating in Microns | 20.0 ABSOLUTE |
| Flow Direction | PARALLEL |
| Drop Pressure | ERR-060 |
| Design Type | NONREUSABLE |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 350.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | SUMP TYPE |
| 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 |
|---|---|
| R9W2388 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| 7589736 | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5906705 | 3/2 Design control — primary reference U.S. Government activity |
| 5906705 | 5/9 Secondary reference Falls Filtration Technologies, Inc. |
| 5906705 | 5/9 Secondary reference Pti Technologies Inc. |
NSN 1650-01-374-9543 is a Filter Element,fluid, manufactured by Falls Filtration Technologies, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-374-9543 has 2 manufacturer part numbers on file: R9W2388 (Falls Filtration Technologies, Inc.), 7589736 (Pti Technologies Inc.).
Key specifications for R9W2388: Body Overall Length: 2.599 INCHES NOMINAL IN; Filtration Rating in Microns: 20.0 ABSOLUTE; Flow Direction: PARALLEL; Drop Pressure: ERR-060. 7 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.