The Servovalve,hydraulic, cataloged under National Stock Number 1650-01-018-4496, 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 Parker-Hannifin Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-018-4496 |
| Primary Part Number | 78151 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Parker-Hannifin Corporation |
| Status | ACTIVE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Discharge Flow Rate | 0.3 GALLONS PER MINUTE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 78151 PRIMARY | Parker-Hannifin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 78151 | 5/9 Secondary reference U.S. Government activity |
| 78151 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 78151 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-01-018-4496 is a Servovalve,hydraulic, manufactured by Parker-Hannifin Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-018-4496 has 1 manufacturer part number on file: 78151 (Parker-Hannifin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-148-9619. Verify interchangeability with system specifications before substitution.
Key specifications for 78151: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Special Features: 2.390 INCHES LONG,2.295 INCHES WIDE IN; Valve Discharge Flow Rate: 0.3 GALLONS PER MINUTE. 2 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 1650-01-018-4496 has DEMIL Code Q. 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.