The Filter,fluid, cataloged under National Stock Number 1650-01-669-5035, 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 Spectrum Control, Inc. Div Api Technologies - Eis/wesson. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-669-5035 |
| Primary Part Number | 52F226-037-63 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
| Status | ACTIVE |
| Design Type | NONREUSABLE |
| Filtering Element Quantity | 2 |
| Filtering System for Which Designed | DUAL FLOW |
| Material | NICKEL ALLOY 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 |
|---|---|
| 52F226-037-63 PRIMARY | Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA) |
| 50031581-01 | Kongsberg Defence & Aerospace As (NOR) |
NSN 1650-01-669-5035 is a Filter,fluid, manufactured by Spectrum Control, Inc. Div Api Technologies - Eis/wesson, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-669-5035 has 2 manufacturer part numbers on file: 52F226-037-63 (Spectrum Control, Inc. Div Api Technologies - Eis/wesson), 50031581-01 (Kongsberg Defence & Aerospace As).
Key specifications for 52F226-037-63: Design Type: NONREUSABLE; Filtering Element Quantity: 2; Filtering System for Which Designed: DUAL FLOW; Material: NICKEL ALLOY BODY. 4 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.