PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R03-02-000Valve,regulating,fluid Pressure

Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division · NSN 4820-01-057-1730 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-057-1730 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-057-1730. Primary manufacturer part number: R03-02-000.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • Material Document and Classification: UNABLE TO DECODE
  • Material: ZINC ALLOY UNS Z33520 OR ZINC ALLOY UNS Z35531 BODY
  • First End Connection Type: THREADED INTERNAL PIPE
  • Furnished Items: OUTLET PRESSURE GAGE
  • First End Style Designator: PLAIN
  • Body Style: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Zinc Alloy Uns Z33520 or Zinc Alloy Uns Z35531 Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-057-1730, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-057-1730
Primary Part NumberR03-02-000
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
StatusCANCELLED
Thread Size and Series/type Designator1/4-18 NPT FIRST END
Material Document and ClassificationUNABLE TO DECODE
MaterialZINC ALLOY UNS Z33520 OR ZINC ALLOY UNS Z35531 BODY
First End Connection TypeTHREADED INTERNAL PIPE
Furnished ItemsOUTLET PRESSURE GAGE
First End Style DesignatorPLAIN
Body StyleSTRAIGHT THRU
Media for Which DesignedAIR
FilterNOT INCLUDED
Outlet Pressure Range5.0 TO 125.0 CAMERA MOUNT
Second End Relationship with First EndIDENTICAL
Maximum Inlet Pressure RatingERR-060
Manual Control MethodKNOB
First End Thread DirectionRIGHT-HAND
Valve Loading MethodSPRING
End Connection Quantity2
Temp Rating175.0 FAHRENHEIT MAXIMUM DEGF
Regulation TypeMANUAL SINGLE STAGE
Flow Control DeviceDIAPHRAGM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5935-00-847-68033501FP INTERCHANGEABLE
Jack,tip
Switchcraft Inc.
Cross-Reference Index
Part NumberManufacturer
R00-02-00028728 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
R00-02-000 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
R03-02-000 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
639AS1314 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
639AS1314 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
639AS1314 Amz Alabama Inc. (USA)
H-1397 Tronair Inc (USA)
R03-02-000 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
81.531.001 Crouzet Corporation (USA)
Related Parts
5935-00-847-6803INTERCHANGEABLE
JACK,TIP
3501FP

Frequently Asked Questions

What is NSN 4820-01-057-1730?

NSN 4820-01-057-1730 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-057-1730?

NSN 4820-01-057-1730 has 9 cross-referenced part numbers: R00-02-00028728 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), R00-02-000 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), R03-02-000 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), 639AS1314 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 639AS1314 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier) and 4 more.

What NSN replaces 4820-01-057-1730?

There is 1 known substitute for 4820-01-057-1730: 5935-00-847-6803. Verify interchangeability with system specifications before substitution.

What are the specifications of R03-02-000?

Key specifications for R03-02-000: Thread Size and Series/type Designator: 1/4-18 NPT FIRST END; Material Document and Classification: UNABLE TO DECODE; Material: ZINC ALLOY UNS Z33520 OR ZINC ALLOY UNS Z35531 BODY; First End Connection Type: THREADED INTERNAL PIPE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-057-1730 still in active supply?

NSN 4820-01-057-1730 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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