PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550390Rod,piston,linear Actuating Cyli

Hynautic Inc Div of Sta-Rite Industries Inc · NSN 3040-01-350-0223 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-350-0223 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-350-0223. Primary manufacturer part number: 550390.
Features
  • Rod,piston,linear Actuating Cyli — FSC 3040
  • End Connection Type: THREADED
  • 2 verified cross-references
  • Primary manufacturer: Hynautic Inc Div of Sta-Rite Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rod,piston,linear Actuating Cyli, cataloged under National Stock Number 3040-01-350-0223, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-350-0223
Primary Part Number550390
Item NameRod,piston,linear Actuating Cyli
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerHynautic Inc Div of Sta-Rite Industries Inc
StatusACTIVE
End Connection TypeTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-352818690 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2240-00-785-3698550390 INTERCHANGEABLE
Piston
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
4810-00-925-751115110 INTERCHANGEABLE
Valve,solenoid
Eaton Aerospace Llc
6110-01-018-1378550390 INTERCHANGEABLE
Regulator,voltage
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
A-550390 Hynautic Inc Div of Sta-Rite Industries Inc (USA)
550390 PRIMARY Hynautic Inc Div of Sta-Rite Industries Inc (USA)
Related Parts
3110-00-100-3528INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
18690
2240-00-785-3698INTERCHANGEABLE
PISTON
550390
4810-00-925-7511INTERCHANGEABLE
VALVE,SOLENOID
15110
6110-01-018-1378INTERCHANGEABLE
REGULATOR,VOLTAGE
550390

Frequently Asked Questions

What is NSN 3040-01-350-0223?

NSN 3040-01-350-0223 is a Rod,piston,linear Actuating Cyli, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-350-0223?

NSN 3040-01-350-0223 has 2 cross-referenced part numbers: A-550390 (Hynautic Inc Div of Sta-Rite Industries Inc), 550390 (Hynautic Inc Div of Sta-Rite Industries Inc).

What NSN replaces 3040-01-350-0223?

There are 4 known substitutes for 3040-01-350-0223: 3110-00-100-3528, 2240-00-785-3698, 4810-00-925-7511 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 550390?

Key specifications for 550390: End Connection Type: THREADED; Special Features: THD ONE END; Overall Length: 24.000 INCHES MAXIMUM IN. 3 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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