PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S4000-2Cylinder Assembly,actuating,line

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 1650-00-675-2631 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-675-2631 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-675-2631. Primary manufacturer part number: S4000-2.
Features
  • Cylinder Assembly,actuating,line — FSC 1650
  • Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Design Characteristics: DOUBLE ACTING TWIN CYLINDER
  • Integral Valve Operation Method: HYDRAULIC
  • Bore Diameter: 2.000 INCHES NOMINAL IN
  • Compressed Length: 21.400 INCHES NOMINAL IN
  • Extended Length: 27.900 INCHES NOMINAL IN
  • 2 verified cross-references
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 1650-00-675-2631, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-675-2631
Primary Part NumberS4000-2
Item NameCylinder Assembly,actuating,line
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Pressure Rating3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Design CharacteristicsDOUBLE ACTING TWIN CYLINDER
Integral Valve Operation MethodHYDRAULIC
Bore Diameter2.000 INCHES NOMINAL IN
Compressed Length21.400 INCHES NOMINAL IN
Extended Length27.900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1650-00-071-63887046 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
S4000-2 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
695225 Lockheed Martin Corp (USA)
Related Parts
1650-00-071-6388INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
7046

Frequently Asked Questions

What is NSN 1650-00-675-2631?

NSN 1650-00-675-2631 is a Cylinder Assembly,actuating,line, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-675-2631?

NSN 1650-00-675-2631 has 2 cross-referenced part numbers: S4000-2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 695225 (Lockheed Martin Corp).

What NSN replaces 1650-00-675-2631?

There is 1 known substitute for 1650-00-675-2631: 1650-00-071-6388. Verify interchangeability with system specifications before substitution.

What are the specifications of S4000-2?

Key specifications for S4000-2: Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Design Characteristics: DOUBLE ACTING TWIN CYLINDER; Integral Valve Operation Method: HYDRAULIC; Overall Width: 13.666 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

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