The Servocylinder, cataloged under National Stock Number 1650-00-183-5949, 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 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-183-5949 |
| Item Name | Servocylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 3A A |
| Mounting Facility Diameter | 0.400 INCHES MINIMUM IN |
| Mounting Facility Diameter | 0.350 INCHES MAXIMUM IN |
| Mounting Facility Diameter | 0.340 INCHES MINIMUM IN |
| Mounting Facility Diameter | 0.410 INCHES MAXIMUM IN |
| Pressure Rating | 1500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 33.400 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT DEGF |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Seat Angle in Deg | 120.0 |
| Extended Length | 43.000 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| First Piston Rod End Thread Quantity Per Inch | 14 |
| First End External Thread Length | 2.310 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | FOUR HOLE RECTANGULAR |
| First Piston Rod End Style | EXTERNAL THREADED |
| Longest Vertical Distance Between Mounting Centers | 2.310 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-367, ALLOY 2014, T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Port Thread Class | 3B |
| Thread Direction | UNABLE TO DECODE |
| Port Thread Quantity Per Inch | UNABLE TO DECODE |
| Port Thread Diameter | UNABLE TO DECODE |
| Port Location and Quantity | 6 CYLINDER HEAD END |
| Port Style | GASKET SEAL |
| First Piston Rod End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.499 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 204-076-005-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-183-5949 is a Servocylinder, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-183-5949: First Piston Rod End Thread Class: 3A A; Mounting Facility Diameter: 0.400 INCHES MINIMUM IN; Mounting Facility Diameter: 0.350 INCHES MAXIMUM IN; Mounting Facility Diameter: 0.340 INCHES MINIMUM IN. 28 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 1650-00-183-5949 has DEMIL Code B. 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.