The Servocylinder, cataloged under National Stock Number 1650-00-574-7520, 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 Hawker Pacific Aerospace. Government technical data includes 28 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 | 1650-00-574-7520 |
| Primary Part Number | 1450 |
| Item Name | Servocylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Hawker Pacific Aerospace |
| Status | ACTIVE |
| Pressure Rating | 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 7.780 INCHES MINIMUM AND 8.060 INCHES MAXIMUM IN |
| Temp Rating | 160.0 FAHRENHEIT DEGF |
| Temp Rating | -65.0 FAHRENHEIT DEGF |
| Seat Angle in Deg | 120.0 |
| Extended Length | 14.670 INCHES MINIMUM AND 14.850 INCHES MAXIMUM IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Body Outside Diameter | 1.300 INCHES NOMINAL IN |
| Mounting Facility Length | 1.837 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | TWO HOLE |
| Mounting Facility Thread Quantity Per Inch | 10 |
| Port Thread Class | 3A A |
| Port Thread Quantity Per Inch | 20 |
| Mounting Facility Thread Length | 0.313 INCHES NOMINAL IN |
| Body Material | ALUMINUM ALLOY 2024 |
| Port Thread Diameter | 0.4375 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.190 INCHES NOMINAL IN |
| Port Location and Quantity | 2 CYLINDER HEAD END |
| Port Style | GASKET SEAL |
| Mounting Facility Thread Series Designator | UNF |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 BODY |
| Mounting Type and Location | TRUNNION PISTON ROD END |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED MOUNTING STUDS |
| First End Outside Diameter | 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1450 PRIMARY | Hawker Pacific Aerospace (USA) |
NSN 1650-00-574-7520 is a Servocylinder, manufactured by Hawker Pacific Aerospace, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-574-7520 has 1 manufacturer part number on file: 1450 (Hawker Pacific Aerospace).
Key specifications for 1450: Overall Height: 1.812 INCHES NOMINAL IN; Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 7.780 INCHES MINIMUM AND 8.060 INCHES MAXIMUM IN; Temp Rating: 160.0 FAHRENHEIT DEGF. 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.
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.