The Filter Element,fluid, cataloged under National Stock Number 1650-00-477-4200, 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 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-477-4200 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.887 INCHES NOMINAL IN |
| FSC Application Data | ACFT HYD SYSTEM |
| Body Overall Length | 1.970 INCHES NOMINAL IN |
| Filtration Rating in Microns | 20.0 ABSOLUTE |
| Flow Direction | OUTSIDE IN |
| Drop Pressure | ERR-060 |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Body Inside Diameter | 0.645 INCHES NOMINAL IN |
| Differential Pressure | ERR-060 |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ALUMINUM CONTAINER/CARTRIDGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M70-002-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-477-4200 is a Filter Element,fluid, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6695-01-561-0418. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-477-4200: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.887 INCHES NOMINAL IN; FSC Application Data: ACFT HYD SYSTEM; Body Overall Length: 1.970 INCHES NOMINAL IN. 13 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.
NSN 1650-00-477-4200 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.