PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WW-V-160Valve,radiator,heating

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4520-00-222-3475 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-222-3475 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-222-3475. Primary manufacturer part number: WW-V-160.
Features
  • Valve,radiator,heating — FSC 4520
  • Nondefinitive Spec/std Data: 2 PATTERN AND 1 SIZE AND A STYLE
  • Valve Operation Method: WHEEL
  • Second End Thread Direction: RIGHT-HAND
  • Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • First End Thread Direction: RIGHT-HAND
  • Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
  • Second End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,radiator,heating, cataloged under National Stock Number 4520-00-222-3475, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4520-00-222-3475
Primary Part NumberWW-V-160
Item NameValve,radiator,heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data2 PATTERN AND 1 SIZE AND A STYLE
Valve Operation MethodWHEEL
Second End Thread DirectionRIGHT-HAND
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
First End Thread DirectionRIGHT-HAND
Body StyleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
Second End Style DesignatorPLAIN
Second End Nominal Pipe Size Accommodated0.500 INCHES IN
First End Nominal Pipe Size Accommodated0.500 INCHES IN
MaterialCOPPER ALLOY STEM
Second End Relationship with First EndNOT IDENTICAL
First End Connection TypeTHREADED INTERNAL PIPE
Second End Connection TypeTHREADED EXTERNAL PIPE
Flow Control DeviceANY ACCEPTABLE
End Connection Quantity2
First End Style DesignatorPLAIN
MaterialCOPPER ALLOY 922 SEAT
MaterialCOPPER ALLOY 922 BODY
Media for Which DesignedSTEAM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4520-00-204-0693 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3476 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3477 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3478 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3480A-A-50456 INTERCHANGEABLE
Valve,radiator,heating
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
4520-00-222-3481 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3482 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3483 INTERCHANGEABLE
Valve,radiator,heating
4520-00-277-7504 INTERCHANGEABLE
Valve,radiator,heating
4520-00-540-4206 INTERCHANGEABLE
Valve,radiator,heating
Cross-Reference Index
Part NumberManufacturer
WW-V-160 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-50456 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A50456-2A1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4520-00-204-0693INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3476INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3477INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3478INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3480INTERCHANGEABLE
VALVE,RADIATOR,HEATING
A-A-50456
4520-00-222-3481INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3482INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3483INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-277-7504INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-540-4206INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-540-4214INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-540-4215INTERCHANGEABLE
VALVE,RADIATOR,HEATING

Frequently Asked Questions

What is NSN 4520-00-222-3475?

NSN 4520-00-222-3475 is a Valve,radiator,heating, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-222-3475?

NSN 4520-00-222-3475 has 3 cross-referenced part numbers: WW-V-160 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-50456 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A50456-2A1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4520-00-222-3475?

There are 12 known substitutes for 4520-00-222-3475: 4520-00-204-0693, 4520-00-222-3476, 4520-00-222-3477 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WW-V-160?

Key specifications for WW-V-160: Nondefinitive Spec/std Data: 2 PATTERN AND 1 SIZE AND A STYLE; Valve Operation Method: WHEEL; Second End Thread Direction: RIGHT-HAND; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 19 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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