PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90552-1Cylinder Assembly,actuating,line

Northrop Grumman Systems Corporation · NSN 1650-00-346-1256 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-346-1256 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-346-1256. Primary manufacturer part number: 90552-1.
Features
  • Cylinder Assembly,actuating,line — FSC 1650
  • Body Material: STEEL
  • Port Thread Series Designator: UNABLE TO DECODE
  • Port Thread Diameter: UNABLE TO DECODE
  • Seat Angle in Deg: UNABLE TO DECODE
  • Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Extended Length: 17.125 INCHES NOMINAL IN
  • Compressed Length: 14.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-346-1256, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1650-00-346-1256
Primary Part Number90552-1
Item NameCylinder Assembly,actuating,line
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Body MaterialSTEEL
Port Thread Series DesignatorUNABLE TO DECODE
Port Thread DiameterUNABLE TO DECODE
Seat Angle in DegUNABLE TO DECODE
Pressure Rating3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Extended Length17.125 INCHES NOMINAL IN
Compressed Length14.000 INCHES NOMINAL IN
FSC Application DataHYDRAULIC SYSTEM,ACFT
Port StyleUNABLE TO DECODE
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Bore Diameter2.375 INCHES NOMINAL IN
Port Thread ClassUNABLE TO DECODE
Port Thread Quantity Per InchUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5340-00-804-555190552 INTERCHANGEABLE
Disk,solid,plain
Templeton Kenly and Co Inc
4820-01-019-759791949-122 INTERCHANGEABLE
Ball,valve,ported
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5133-01-649-333190552 INTERCHANGEABLE
Drill Set,twist
Triumph Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
90552 Northrop Grumman Systems Corporation (USA)
90552-1 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5340-00-804-5551INTERCHANGEABLE
DISK,SOLID,PLAIN
90552
4820-01-019-7597INTERCHANGEABLE
BALL,VALVE,PORTED
91949-122
5133-01-649-3331INTERCHANGEABLE
DRILL SET,TWIST
90552

Frequently Asked Questions

What is NSN 1650-00-346-1256?

NSN 1650-00-346-1256 is a Cylinder Assembly,actuating,line, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-346-1256?

NSN 1650-00-346-1256 has 2 cross-referenced part numbers: 90552 (Northrop Grumman Systems Corporation), 90552-1 (Northrop Grumman Systems Corporation).

What NSN replaces 1650-00-346-1256?

There are 3 known substitutes for 1650-00-346-1256: 5340-00-804-5551, 4820-01-019-7597, 5133-01-649-3331. Verify interchangeability with system specifications before substitution.

What are the specifications of 90552-1?

Key specifications for 90552-1: Overall Width: 3.500 INCHES NOMINAL IN; Body Material: STEEL; Port Thread Series Designator: UNABLE TO DECODE; Port Thread Diameter: UNABLE TO DECODE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1650-00-346-1256 still in active supply?

NSN 1650-00-346-1256 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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