PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1660-17Servocylinder

Hawker Pacific Aerospace · NSN 1650-00-944-8170 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-944-8170 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-944-8170. Primary manufacturer part number: 1660-17.
Features
  • Servocylinder — FSC 1650
  • Mounting Facility Diameter: 0.250 INCHES NOMINAL IN
  • Integral Valve Operation Method: HYDRAULIC
  • Design Characteristics: DOUBLE ACTING SINGLE CYLINDER
  • Bore Diameter: 0.938 INCHES NOMINAL IN
  • Mounting Provision: UNTHREADED MOUNTING HOLES
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY P/N 204-076-053-5,FSCM 97499
  • Mounting Type and Location: TRUNNION PISTON ROD END
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Servocylinder, cataloged under National Stock Number 1650-00-944-8170, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hawker Pacific Aerospace. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-944-8170
Primary Part Number1660-17
Item NameServocylinder
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerHawker Pacific Aerospace
StatusACTIVE
Mounting Facility Diameter0.250 INCHES NOMINAL IN
Integral Valve Operation MethodHYDRAULIC
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Bore Diameter0.938 INCHES NOMINAL IN
Mounting ProvisionUNTHREADED MOUNTING HOLES
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY P/N 204-076-053-5,FSCM 97499
Mounting Type and LocationTRUNNION PISTON ROD END
Compressed Length13.340 INCHES NOMINAL IN
Extended Length16.840 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1650-00-143-8276 INTERCHANGEABLE
Servocylinder
1650-00-912-41221660-17 INTERCHANGEABLE
Servocylinder
Hawker Pacific Aerospace
Cross-Reference Index
Part NumberManufacturer
1660-17 Hawker Pacific Aerospace (USA)
204-076-053-5 Bell Textron Inc (USA)
Related Parts
1650-00-143-8276INTERCHANGEABLE
SERVOCYLINDER
1650-00-912-4122INTERCHANGEABLE
SERVOCYLINDER
1660-17

Frequently Asked Questions

What is NSN 1650-00-944-8170?

NSN 1650-00-944-8170 is a Servocylinder, manufactured by Hawker Pacific Aerospace, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-944-8170?

NSN 1650-00-944-8170 has 2 cross-referenced part numbers: 1660-17 (Hawker Pacific Aerospace), 204-076-053-5 (Bell Textron Inc).

What NSN replaces 1650-00-944-8170?

There are 2 known substitutes for 1650-00-944-8170: 1650-00-143-8276, 1650-00-912-4122. Verify interchangeability with system specifications before substitution.

What are the specifications of 1660-17?

Key specifications for 1660-17: Mounting Facility Diameter: 0.250 INCHES NOMINAL IN; Integral Valve Operation Method: HYDRAULIC; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Bore Diameter: 0.938 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com