PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18231Valve,ball

United States Plastic Corp · NSN 4820-01-253-6252 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-253-6252 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-253-6252. Primary manufacturer part number: 18231.
Features
  • Valve,ball — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Series Designator: NPT ALL ENDS
  • Material: PLASTIC POLYVINYL CHLORIDE (PVC) BODY
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-253-6252, 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 12 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-253-6252
Primary Part Number18231
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnited States Plastic Corp
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) BODY
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Valve Operation MethodMANUAL
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Maximum Operating Temp210.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-223-6411100-854 INTERCHANGEABLE
Fitting,lubrication
Graco Inc.
4320-00-337-0062091805 INTERCHANGEABLE
Vane,pump,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5365-00-439-62931825Z234 INTERCHANGEABLE
Bushing,axle
Meritor Industrial Products, Llc
4940-00-873-8944 INTERCHANGEABLE
Gun,air Blow
5930-01-037-0849863-310951 INTERCHANGEABLE
Switch,pressure
Guild Associates Inc
6105-01-076-518318231 INTERCHANGEABLE
Cover Assembly,motor
Safran Power Usa Llc
2995-01-169-948618231 INTERCHANGEABLE
Guide,spring,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-01-224-4736 INTERCHANGEABLE
Piston
5935-01-332-44241800-31 INTERCHANGEABLE
Connector,receptacle,electrical
Glasseal Products Inc Sub of Hcc Industries
4130-01-482-1558672-50JP INTERCHANGEABLE
Filtering Pad,air Cooler
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
18231 PRIMARY United States Plastic Corp (USA)
Related Parts
4730-00-223-6411INTERCHANGEABLE
FITTING,LUBRICATION
100-854
4320-00-337-0062INTERCHANGEABLE
VANE,PUMP,ROTARY
091805
5365-00-439-6293INTERCHANGEABLE
BUSHING,AXLE
1825Z234
4940-00-873-8944INTERCHANGEABLE
GUN,AIR BLOW
5930-01-037-0849INTERCHANGEABLE
SWITCH,PRESSURE
863-310951
6105-01-076-5183INTERCHANGEABLE
COVER ASSEMBLY,MOTOR
18231
2995-01-169-9486INTERCHANGEABLE
GUIDE,SPRING,VALVE
18231
4320-01-224-4736INTERCHANGEABLE
PISTON
5935-01-332-4424INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1800-31
4130-01-482-1558INTERCHANGEABLE
FILTERING PAD,AIR COOLER
672-50JP
2810-01-668-9943INTERCHANGEABLE
SPRING,EXPANDER,PISTON RING
18231

Frequently Asked Questions

What is NSN 4820-01-253-6252?

NSN 4820-01-253-6252 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 4820-01-253-6252?

NSN 4820-01-253-6252 has 1 cross-referenced part number: 18231 (United States Plastic Corp).

What NSN replaces 4820-01-253-6252?

There are 11 known substitutes for 4820-01-253-6252: 4730-00-223-6411, 4320-00-337-0062, 5365-00-439-6293 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18231?

Key specifications for 18231: Style Designator: STRAIGHT THRU; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Series Designator: NPT ALL ENDS; Material: PLASTIC POLYVINYL CHLORIDE (PVC) BODY. 12 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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