PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20423Valve,ball

United States Plastic Corp · NSN 4820-01-643-0524 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-643-0524 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-0524. Primary manufacturer part number: 20423.
Features
  • Valve,ball — FSC 4820
  • Valve Operation Method: MANUAL
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.7500 INCHES IN
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Material: PLASTIC OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: United States Plastic Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Overall construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-643-0524, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United States Plastic Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-643-0524
Primary Part Number20423
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnited States Plastic Corp
StatusACTIVE
Valve Operation MethodMANUAL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.7500 INCHES IN
Thread DirectionRIGHT-HAND ALL ENDS
MaterialPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-208-678001053203 INTERCHANGEABLE
Nut,plain,hexagon
Clarostat Sensors and Controls
5330-00-757-342220108 INTERCHANGEABLE
Packing,preformed
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5945-00-946-928920423 INTERCHANGEABLE
Solenoid,electrical
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
5935-01-014-78592922908 INTERCHANGEABLE
Connector Body,receptacle,electr
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-01-298-1522204-23 INTERCHANGEABLE
Conduit Assembly,flexible
Dcx-Chol Enterprises, Inc.
5340-01-340-4803 INTERCHANGEABLE
Handle,manual Control
6650-01-689-257920423 INTERCHANGEABLE
Cap,lens
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
20423 PRIMARY United States Plastic Corp (USA)
Related Parts
5310-00-208-6780INTERCHANGEABLE
NUT,PLAIN,HEXAGON
01053203
5330-00-757-3422INTERCHANGEABLE
PACKING,PREFORMED
20108
5945-00-946-9289INTERCHANGEABLE
SOLENOID,ELECTRICAL
20423
5935-01-014-7859INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
2922908
5975-01-298-1522INTERCHANGEABLE
CONDUIT ASSEMBLY,FLEXIBLE
204-23
5340-01-340-4803INTERCHANGEABLE
HANDLE,MANUAL CONTROL
6650-01-689-2579INTERCHANGEABLE
CAP,LENS
20423

Frequently Asked Questions

What is NSN 4820-01-643-0524?

NSN 4820-01-643-0524 is a Valve,ball, manufactured by United States Plastic Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-643-0524?

NSN 4820-01-643-0524 has 1 cross-referenced part number: 20423 (United States Plastic Corp).

What NSN replaces 4820-01-643-0524?

There are 7 known substitutes for 4820-01-643-0524: 5310-00-208-6780, 5330-00-757-3422, 5945-00-946-9289 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20423?

Key specifications for 20423: Part Name Assigned by Controlling Agency: VALVE, BALL, UPVC 3/4 INCH IN; Valve Operation Method: MANUAL; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.7500 INCHES IN. 7 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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