PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55204-6Valve,linear,directional Control

Hydro-Aire Aerospace Corp · NSN 4820-00-714-4475 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-714-4475 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-714-4475. Primary manufacturer part number: 55204-6.
Features
  • Valve,linear,directional Control — FSC 4820
  • Valve Operation Method: SOLENOID
  • Thread Class: 3B
  • Maximum Operating Temp and Media for Which Designed: 160.0 FAHRENHEIT HYDRAULIC FLUID, PETROLEUM BASE DEGF
  • Operating Pressure and Type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Spool Quantity: 1
  • Flow Pattern Quantity: 3
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-714-4475, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-00-714-4475
Primary Part Number55204-6
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Valve Operation MethodSOLENOID
Thread Class3B
Maximum Operating Temp and Media for Which Designed160.0 FAHRENHEIT HYDRAULIC FLUID, PETROLEUM BASE DEGF
Operating Pressure and Type3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Spool Quantity1
Flow Pattern Quantity3
Features ProvidedCONTINUOUS DUTY AND MANUAL OVERRIDE
Body MaterialALUMINUM ALLOY
Current Rating in Amps0.5
Voltage in Volts and Current Type17.0 DC AND 30.0 DC
Connection TypeTHREADED INTERNAL BOSS
Spool Position Quantity2
Nominal Thread Size0.750 INCHES IN
End Connection Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-050-6213C77 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
6750-01-427-5368 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
55204-6 PRIMARY Hydro-Aire Aerospace Corp (USA)
4820PL0797871 Jednolity Indeks Materialowy - Uniform Material Index (POL)
55204-8 Hydro-Aire Aerospace Corp (USA)
Related Parts
5940-00-050-6213INTERCHANGEABLE
TERMINAL,LUG
C77
6750-01-427-5368INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4820-00-714-4475?

NSN 4820-00-714-4475 is a Valve,linear,directional Control, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-714-4475?

NSN 4820-00-714-4475 has 3 cross-referenced part numbers: 55204-6 (Hydro-Aire Aerospace Corp), 4820PL0797871 (Jednolity Indeks Materialowy - Uniform Material Index), 55204-8 (Hydro-Aire Aerospace Corp).

What NSN replaces 4820-00-714-4475?

There are 2 known substitutes for 4820-00-714-4475: 5940-00-050-6213, 6750-01-427-5368. Verify interchangeability with system specifications before substitution.

What are the specifications of 55204-6?

Key specifications for 55204-6: Valve Operation Method: SOLENOID; Thread Class: 3B; Maximum Operating Temp and Media for Which Designed: 160.0 FAHRENHEIT HYDRAULIC FLUID, PETROLEUM BASE DEGF; Special Features: MANUFACTURERS SUGGESTED NAME IS VALVE ASSY, PILOT OPERATED, 3 WAY, 2 POSITION; SYSTEM FLUID MIL-H-5606; PROOF PRESSURE 4500 PSIG; BURST PRESSURE 7500 PSIG; 3 PORTS PER MS33649-8; PORTS ARE PRESSURE, RETURN, AND CYLINDER; CURRENT CONSUMPTION 0.5 AMPS (MAX) AT 24 VDC; VALVE OPENS AT 100 PSI; AMBIENT TEMP RANGE -65 TO +160 DEG FEH; WT 3.1 LBS; MANUAL CONTROL OVERRIDES DE-ENERGIZED SOLENOID; MAJOR COMPONENT PARTS: SOLENOID ASSY 25350, PISTON AND SLEEVE ASSY 53407; BODY 55286-8; CURE DATE PARTS KIT 9672483-10; MAJOR OVERHAUL PARTS KIT 9672484-10 VDC. 17 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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