PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SGT220-7Servocylinder

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 1650-00-912-4122 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-912-4122 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-912-4122. Primary manufacturer part number: SGT220-7.
Features
  • Servocylinder — FSC 1650
  • Bore Diameter: 1.066 INCHES NOMINAL IN
  • Bore Diameter: 0.801 INCHES NOMINAL IN
  • Mounting Facility Diameter: 0.4991 INCHES MAXIMUM IN
  • Material Document and Classification: -A-268, COMP 2024, T4-CANCELED AEROSPACE MATERIAL SPEC STD 13TH MATERIAL RESPONSE BODY
  • First Piston Rod End Style: FORK TYPE (CLEVIS)
  • Port Style: GASKET SEAL
  • Mounting Facility Diameter: 0.4986 INCHES MINIMUM IN
Applications
  • Applications requiring Aluminum Alloy 2024 Body construction
General Description

The Servocylinder, cataloged under National Stock Number 1650-00-912-4122, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1650-00-912-4122
Primary Part NumberSGT220-7
Item NameServocylinder
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusCANCELLED
Bore Diameter1.066 INCHES NOMINAL IN
Bore Diameter0.801 INCHES NOMINAL IN
Mounting Facility Diameter0.4991 INCHES MAXIMUM IN
Material Document and Classification-A-268, COMP 2024, T4-CANCELED AEROSPACE MATERIAL SPEC STD 13TH MATERIAL RESPONSE BODY
First Piston Rod End StyleFORK TYPE (CLEVIS)
Port StyleGASKET SEAL
Mounting Facility Diameter0.4986 INCHES MINIMUM IN
First End Fork Depth1.600 INCHES NOMINAL IN
Mounting ProvisionPIN
First End Hole Diameter0.3437 INCHES NOMINAL IN
Body Outside Diameter1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
First End Fork Span Width0.751 INCHES NOMINAL IN
Temp Rating-65.0 CELSIUS DEGC
Seat Angle in Deg120.0
Port Thread Class3B
Piston Rod End SimilarityNOT IDENTICAL
Integral Valve Operation MethodHYDRAULIC
Bore Diameter0.625 INCHES NOMINAL IN
Second End Outside Diameter0.593 INCHES NOMINAL IN
First End Fork Width0.700 INCHES NOMINAL IN
Port Thread Quantity Per Inch20
Port Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Port Location and Quantity2 PISTON ROD END
Mounting Type and LocationTRUNNION CENTER SECTION
MaterialALUMINUM ALLOY 2024 BODY
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Mounting Facility Length0.500 INCHES NOMINAL IN
Temp Rating180.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
1650-00-143-8276 INTERCHANGEABLE
Servocylinder
2590-00-294-141016605 INTERCHANGEABLE
Cap,filler Opening
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5950-00-419-5351373108 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5330-00-424-545316-605 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
5330-00-848-3495 INTERCHANGEABLE
Seal,plain Encased
1650-00-944-8170 INTERCHANGEABLE
Servocylinder
Cross-Reference Index
Part NumberManufacturer
204-076-053-5 Bell Textron Inc (USA)
SGT220-7 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1660-17 PRIMARY Hawker Pacific Aerospace (USA)
204-076-053-005 Bell Textron Inc (USA)
1660-5 PRIMARY Hawker Pacific Aerospace (USA)
Related Parts
1650-00-143-8276INTERCHANGEABLE
SERVOCYLINDER
2590-00-294-1410INTERCHANGEABLE
CAP,FILLER OPENING
16605
5950-00-419-5351INTERCHANGEABLE
TRANSFORMER,POWER
373108
5330-00-424-5453INTERCHANGEABLE
GASKET
16-605
5330-00-848-3495INTERCHANGEABLE
SEAL,PLAIN ENCASED
1650-00-944-8170INTERCHANGEABLE
SERVOCYLINDER

Frequently Asked Questions

What is NSN 1650-00-912-4122?

NSN 1650-00-912-4122 is a Servocylinder, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-912-4122?

NSN 1650-00-912-4122 has 5 cross-referenced part numbers: 204-076-053-5 (Bell Textron Inc), SGT220-7 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 1660-17 (Hawker Pacific Aerospace), 204-076-053-005 (Bell Textron Inc), 1660-5 (Hawker Pacific Aerospace).

What NSN replaces 1650-00-912-4122?

There are 6 known substitutes for 1650-00-912-4122: 1650-00-143-8276, 2590-00-294-1410, 5950-00-419-5351 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SGT220-7?

Key specifications for SGT220-7: Bore Diameter: 1.066 INCHES NOMINAL IN; Bore Diameter: 0.801 INCHES NOMINAL IN; Mounting Facility Diameter: 0.4991 INCHES MAXIMUM IN; Material Document and Classification: -A-268, COMP 2024, T4-CANCELED AEROSPACE MATERIAL SPEC STD 13TH MATERIAL RESPONSE BODY. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1650-00-912-4122 still in active supply?

NSN 1650-00-912-4122 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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