PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

134-02CPValve,regulating,fluid Pressure

Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division · NSN 4820-01-088-2123 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-088-2123 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-088-2123. Primary manufacturer part number: 134-02CP.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Third End Thread Direction: RIGHT-HAND
  • Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END
  • Third End Seat Angle in Deg: 30.0
  • Third End Thread Class: 2B
  • Third End Connection Type: THREADED INTERNAL TUBE
  • Thread Size and Series/type Designator: 3/8-24 UNF THIRD END
  • Material: STEEL STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-088-2123, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-088-2123
Primary Part Number134-02CP
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
StatusACTIVE
Third End Thread DirectionRIGHT-HAND
Third End Relationship with Preceding EndsNOT IDENTICAL WITH FIRST OR SECOND END
Third End Seat Angle in Deg30.0
Third End Thread Class2B
Third End Connection TypeTHREADED INTERNAL TUBE
Thread Size and Series/type Designator3/8-24 UNF THIRD END
MaterialSTEEL STEM
MaterialSTEEL FLOW CONTROL DEVICE
Thread Size and Series/type Designator1/2-20 UNF FIRST END
Surface TreatmentPAINT OUTSIDE
Body StyleTEE
Third End Style DesignatorGASKET SEAL
End Connection Quantity3
First End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
MaterialSTEEL SEAT
Valve Loading MethodSPRING
Regulation TypeMANUAL, DOUBLE STAGE
Third End Outside Diameter Tube Accommodated0.125 INCHES NOMINAL IN
First End Thread DirectionRIGHT-HAND
Manual Control MethodKNOB
Flow Control DevicePISTON, WEIGHTED TYPE
First End Connection TypeTHREADED INTERNAL TUBE
First End Style DesignatorGASKET SEAL
FilterNOT INCLUDED
First End Thread Class2B
First End Seat Angle in Deg30.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-266-9230 INTERCHANGEABLE
Drill,twist
5136-00-729-5715316435 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5340-00-757-4431113-62 INTERCHANGEABLE
Seat,helical Compression Spring
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5305-01-043-055011579499 INTERCHANGEABLE
Screw,cap,socket Head
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
5120-01-430-7815 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
134-02CP PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
X10-02-000 Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America (USA)
X10-02-000 Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
A20523-1 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
11362 Parker Hannifin Corp (USA)
Related Parts
5133-00-266-9230INTERCHANGEABLE
DRILL,TWIST
5136-00-729-5715INTERCHANGEABLE
TAP,THREAD CUTTING
316435
5340-00-757-4431INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
113-62
5305-01-043-0550INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
11579499
5120-01-430-7815INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4820-01-088-2123?

NSN 4820-01-088-2123 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 4820-01-088-2123?

NSN 4820-01-088-2123 has 5 cross-referenced part numbers: 134-02CP (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), X10-02-000 (Parker Hannifin Corporation Dba Wilkerson Div Pneumatic Division North America), X10-02-000 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), A20523-1 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies), 11362 (Parker Hannifin Corp).

What NSN replaces 4820-01-088-2123?

There are 5 known substitutes for 4820-01-088-2123: 5133-00-266-9230, 5136-00-729-5715, 5340-00-757-4431 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 134-02CP?

Key specifications for 134-02CP: Third End Thread Direction: RIGHT-HAND; Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END; Third End Seat Angle in Deg: 30.0; Third End Thread Class: 2B. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com