The Servocylinder, cataloged under National Stock Number 1650-00-357-1106, 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 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-357-1106 |
| Item Name | Servocylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Voltage Rating in Volts | 28.0 DC |
| Mounting Facility Diameter | 0.254 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| FSC Application Data | HYD SYSTEM,ACFT |
| Center to Center Distance Between Mounting Provisions | 5.000 INCHES NOMINAL IN |
| Compressed Length | 12.015 INCHES NOMINAL IN |
| Seat Angle in Deg | 60.0 |
| Extended Length | 13.275 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| Body Outside Diameter | 2.440 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | TWO HOLE |
| Port Thread Class | 3B |
| Port Thread Quantity Per Inch | 16 |
| Port Thread Diameter | 0.750 INCHES NOMINAL IN |
| Port Location and Quantity | 2 CYLINDER HEAD END |
| Integral Valve Operation Method | ELECTRIC |
| Bore Diameter | 1.862 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Mounting Type and Location | TONGUE CENTER SECTION |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| First End Outside Diameter | 1.020 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROLLING DWG NO. |
| 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 |
|---|---|
| A51H9097-5 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3287000-5 | 3/3 Design control — primary reference U.S. Government activity |
| A51H9097-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51H9097-5 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 1650-00-357-1106 is a Servocylinder, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-357-1106 has 1 manufacturer part number on file: A51H9097-5 (Northrop Grumman Systems Corporation).
Key specifications for 1650-00-357-1106: Voltage Rating in Volts: 28.0 DC; Mounting Facility Diameter: 0.254 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN; Overall Height: 4.440 INCHES NOMINAL IN; FSC Application Data: HYD SYSTEM,ACFT. 22 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 1650-00-357-1106 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.