The Filter,fluid, cataloged under National Stock Number 1650-01-018-3699, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-018-3699 |
| Primary Part Number | R9W1556 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Filtration Rating in Microns | 40.0 ABSOLUTE AND 20.0 NOMINAL |
| Design Type | REUSABLE |
| Body Outside Diameter | 1.750 INCHES NOMINAL IN |
| Operating Pressure | 95.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Body Length | 5.587 INCHES MINIMUM AND 5.643 INCHES MAXIMUM 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 |
|---|---|
| R9W1556 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1650PL0133096 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1650-01-018-3699 is a Filter,fluid, manufactured by Falls Filtration Technologies, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-018-3699 has 1 manufacturer part number on file: R9W1556 (Falls Filtration Technologies, Inc.).
Key specifications for R9W1556: Filtration Rating in Microns: 40.0 ABSOLUTE AND 20.0 NOMINAL; Design Type: REUSABLE; Body Outside Diameter: 1.750 INCHES NOMINAL IN; Operating Pressure: 95.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 5 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.