The Servovalve,hydraulic, cataloged under National Stock Number 1650-01-478-1790, 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 Triumph Actuation Systems - Connecticut, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Triumph Actuation Systems - Connecticut, Llc (CAGE 33068); Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (CAGE 19156) |
| Parameter | Value |
|---|---|
| NSN | 1650-01-478-1790 |
| Primary Part Number | 4308104-5 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
NSN 1650-01-478-1790 is a Servovalve,hydraulic, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-478-1790 has 2 manufacturer part numbers on file: 4308104-5 (Triumph Actuation Systems - Connecticut, Llc), 50800-5 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City).
1 possible match (shared part number, not a government interchangeability claim): 5840-01-516-5295. Verify interchangeability with system specifications before substitution.
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 1650-01-478-1790 has DEMIL Code D. 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.