PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R20-03-000Valve,regulating,fluid Pressure

Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division · NSN 4820-00-375-6343 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-375-6343 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-375-6343. Primary manufacturer part number: R20-03-000.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Body Style: STRAIGHT THRU
  • First End Connection Type: THREADED INTERNAL PIPE
  • Media for Which Designed: AIR
  • First End Style Designator: PLAIN
  • First End Thread Direction: RIGHT-HAND
  • Flow Control Device: PISTON, SPRING LOADED AND POPPET
  • Second End Relationship with First End: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-375-6343, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-375-6343
Primary Part NumberR20-03-000
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
StatusACTIVE
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED INTERNAL PIPE
Media for Which DesignedAIR
First End Style DesignatorPLAIN
First End Thread DirectionRIGHT-HAND
Flow Control DevicePISTON, SPRING LOADED AND POPPET
Second End Relationship with First EndIDENTICAL
Face to Face Distance3.240 INCHES NOMINAL IN
Valve Stem DesignSINGLE SEAT
MaterialALUMINUM BODY
End Connection Quantity2
Valve Loading MethodSPRING
Regulation TypeMANUAL SINGLE STAGE
Maximum Inlet Pressure RatingERR-060
FilterNOT INCLUDED
Outlet Pressure Range2.0 TO 125.0 CAMERA MOUNT
Temp Rating-10.0 FAHRENHEIT MINIMUM AND 175.0 FAHRENHEIT MAXIMUM DEGF
Thread Size and Series/type Designator0.375-18 NPTF FIRST END
MaterialPLASTIC FLOW CONTROL DEVICE
Manual Control MethodTEE HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-44531985-1932 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-144-8620104KSFFQ5A7MILG3278 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4710-00-146-0655 INTERCHANGEABLE
Tube Assembly,metal
5133-00-189-9182 INTERCHANGEABLE
Drill,twist
5133-00-189-9248 INTERCHANGEABLE
Drill,twist
5342-00-235-191320013 INTERCHANGEABLE
Latch,retainer
Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc
5945-00-248-6783A36928 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5910-00-434-9104501194-1 INTERCHANGEABLE
Capacitor,variable,air Dielectri
L3harris Technologies, Inc. Dba Harris Corporation
4130-00-872-492922677 INTERCHANGEABLE
Filter-Drier,refrigerant
Silver King Refrigeration Inc.
2520-00-909-7689 INTERCHANGEABLE
Shaft,axle,automotive
Cross-Reference Index
Part NumberManufacturer
04531 Matisa (FRA)
R20-03-000 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
R20-03-000 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
2001-3 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
07R213A Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
Related Parts
3110-00-100-4453INTERCHANGEABLE
BEARING,ROLLER,TAPERED
1985-1932
3110-00-144-8620INTERCHANGEABLE
BEARING,BALL,ANNULAR
104KSFFQ5A7MILG3278
4710-00-146-0655INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5133-00-189-9182INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9248INTERCHANGEABLE
DRILL,TWIST
5342-00-235-1913INTERCHANGEABLE
LATCH,RETAINER
20013
5945-00-248-6783INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A36928
5910-00-434-9104INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
501194-1
4130-00-872-4929INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
22677
2520-00-909-7689INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
5940-00-983-6054INTERCHANGEABLE
TERMINAL BOARD
7930-01-011-2498INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT-DETERG

Frequently Asked Questions

What is NSN 4820-00-375-6343?

NSN 4820-00-375-6343 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: active.

What are the part numbers for NSN 4820-00-375-6343?

NSN 4820-00-375-6343 has 5 cross-referenced part numbers: 04531 (Matisa), R20-03-000 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), R20-03-000 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), 2001-3 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), 07R213A (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).

What NSN replaces 4820-00-375-6343?

There are 12 known substitutes for 4820-00-375-6343: 3110-00-100-4453, 3110-00-144-8620, 4710-00-146-0655 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R20-03-000?

Key specifications for R20-03-000: Body Style: STRAIGHT THRU; First End Connection Type: THREADED INTERNAL PIPE; Media for Which Designed: AIR; First End Style Designator: PLAIN. 21 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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