The Filter,fluid, cataloged under National Stock Number 1650-01-416-3261, 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 Donaldson Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-416-3261 |
| Primary Part Number | 331669 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PLEATED OR WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 25.0 ABSOLUTE |
| Design Type | NONREUSABLE |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 331669 | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 33-093501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-416-3261 is a Filter,fluid, manufactured by Donaldson Company, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-416-3261 has 1 manufacturer part number on file: 331669 (Donaldson Company, Inc.).
Key specifications for 331669: Filtering Media Design: PLEATED OR WOVEN SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 25.0 ABSOLUTE; Design Type: NONREUSABLE; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 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.