The Filter Element,fluid, cataloged under National Stock Number 1650-00-798-7657, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-798-7657 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| FSC Application Data | HYDRAULIC SYSTEM,AIRCRAFT |
| Body Overall Length | 4.000 INCHES NOMINAL IN |
| Filtration Rating in Microns | 33.0 NOMINAL |
| Flow Direction | INSIDE OUT |
| Design Type | REUSABLE |
| Style Designator | SUMP TYPE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| 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 |
|---|---|
| 5211-33 | 3/2 Design control — primary reference U.S. Government activity |
| 5211 | D/9 Drawing number reference only U.S. Government activity |
NSN 1650-00-798-7657 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): 5342-01-310-7016. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-798-7657: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; FSC Application Data: HYDRAULIC SYSTEM,AIRCRAFT; Body Overall Length: 4.000 INCHES NOMINAL IN; Filtration Rating in Microns: 33.0 NOMINAL. 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.