PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81391Piston,linear Actuating Cylinder

Gst Industries Inc. · NSN 1650-00-781-9600 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-781-9600 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-781-9600. Primary manufacturer part number: 81391.
Features
  • Piston,linear Actuating Cylinder — FSC 1650
  • 2 verified cross-references
  • Primary manufacturer: Gst Industries Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-781-9600, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Gst Industries Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-781-9600
Primary Part Number81391
Item NamePiston,linear Actuating Cylinder
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerGst Industries Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6125-00-734-61288139-1 INTERCHANGEABLE
Rotor Assy,motor-Ge
Kurz & Root Generator Company, Llc
5330-01-113-503281391 INTERCHANGEABLE
Gasket
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5315-01-313-847481391 INTERCHANGEABLE
Pin,straight,headless
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
81391 Hawker Pacific Aerospace (USA)
81391 PRIMARY Gst Industries Inc. (USA)
Related Parts
6125-00-734-6128INTERCHANGEABLE
ROTOR ASSY,MOTOR-GE
8139-1
5330-01-113-5032INTERCHANGEABLE
GASKET
81391
5315-01-313-8474INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
81391

Frequently Asked Questions

What is NSN 1650-00-781-9600?

NSN 1650-00-781-9600 is a Piston,linear Actuating Cylinder, manufactured by Gst Industries Inc., classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-781-9600?

NSN 1650-00-781-9600 has 2 cross-referenced part numbers: 81391 (Hawker Pacific Aerospace), 81391 (Gst Industries Inc.).

What NSN replaces 1650-00-781-9600?

There are 3 known substitutes for 1650-00-781-9600: 6125-00-734-6128, 5330-01-113-5032, 5315-01-313-8474. Verify interchangeability with system specifications before substitution.

What are the specifications of 81391?

Key specifications for 81391: Special Features: SLOTTED END; FSC APPLICATION DATA:CYLINDER ASSY,LINEAR ACTUATING,ACFT HYD; End Item Identification: 1650-00-052-9344 81375-6 CYLINDER ASSY. 2 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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