The Servocylinder, cataloged under National Stock Number 1650-01-025-1289, 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 The Boeing Company. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-025-1289 |
| Primary Part Number | A02H4800-9 |
| Item Name | Servocylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.625 INCHES NOMINAL IN |
| Pressure Rating | 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Center to Center Distance Between Mounting Provisions | 10.063 INCHES NOMINAL IN |
| Compressed Length | 15.032 INCHES NOMINAL IN |
| Seat Angle in Deg | 60.0 |
| Extended Length | 19.937 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| Mounting Provision Arrangement Style | TWO HOLE |
| First Piston Rod End Style | BEARING TYPE |
| First End Thickness at Mounting Holes | 0.750 INCHES NOMINAL IN |
| Port Thread Class | 3B |
| Port Thread Quantity Per Inch | 20 |
| Port Thread Diameter | 0.500 INCHES NOMINAL IN |
| Port Location and Quantity | 2 CENTER SECTION |
| Port Style | GASKET SEAL |
| First End Hole Diameter | 0.625 INCHES NOMINAL IN |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 2.125 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Mounting Type and Location | TONGUE CYLINDER HEAD END |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| First End Outside Diameter | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| A02H4800-9 PRIMARY | The Boeing Company (USA) |
NSN 1650-01-025-1289 is a Servocylinder, manufactured by The Boeing Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-025-1289 has 1 manufacturer part number on file: A02H4800-9 (The Boeing Company).
Key specifications for A02H4800-9: Mounting Facility Diameter: 0.625 INCHES NOMINAL IN; Overall Height: 5.625 INCHES NOMINAL IN; Pressure Rating: 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Center to Center Distance Between Mounting Provisions: 10.063 INCHES NOMINAL IN. 23 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 1650-01-025-1289 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.