PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWV160Valve,radiator,heating

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4520-00-540-4206 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-540-4206 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-540-4206. Primary manufacturer part number: WWV160.
Features
  • Valve,radiator,heating — FSC 4520
  • Nondefinitive Spec/std Data: 25 CLASS AND 2 PATTERN AND C STYLE AND 3/4 IN SIZE AND 2 TYPE AND 1 SERVICE IN
  • Material: COPPER ALLOY SEAT
  • Material: COPPER ALLOY BODY
  • Media for Which Designed: STEAM
  • Second End Style Designator: PLAIN
  • Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
  • End Connection Quantity: 2
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,radiator,heating, cataloged under National Stock Number 4520-00-540-4206, 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 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
NSN4520-00-540-4206
Primary Part NumberWWV160
Item NameValve,radiator,heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data25 CLASS AND 2 PATTERN AND C STYLE AND 3/4 IN SIZE AND 2 TYPE AND 1 SERVICE IN
MaterialCOPPER ALLOY SEAT
MaterialCOPPER ALLOY BODY
Media for Which DesignedSTEAM
Second End Style DesignatorPLAIN
Body StyleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
End Connection Quantity2
Valve Operation MethodWHEEL
First End Style DesignatorPLAIN
Operating Pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Second End Thread DirectionRIGHT-HAND
Second End Connection TypeTHREADED EXTERNAL PIPE
First End Thread DirectionRIGHT-HAND
First End Connection TypeTHREADED INTERNAL PIPE
Flow Control DeviceDISK, TOP GUIDED
Second End Relationship with First EndNOT IDENTICAL
Second End Nominal Pipe Size Accommodated0.750 INCHES IN
First End Nominal Pipe Size Accommodated0.750 INCHES IN
MaterialCOPPER ALLOY STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4520-00-204-0693 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3475 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
4520-00-222-3481 INTERCHANGEABLE
Valve,radiator,heating
4520-00-222-3483 INTERCHANGEABLE
Valve,radiator,heating
4520-00-540-4214 INTERCHANGEABLE
Valve,radiator,heating
4520-00-540-4215 INTERCHANGEABLE
Valve,radiator,heating
4520-00-720-4735 INTERCHANGEABLE
Valve,radiator,heating
Cross-Reference Index
Part NumberManufacturer
WWV160 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4520-00-204-0693INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3475INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3476INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3477INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3478INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3481INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-222-3483INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-540-4214INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-540-4215INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-720-4735INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-720-4736INTERCHANGEABLE
VALVE,RADIATOR,HEATING

Frequently Asked Questions

What is NSN 4520-00-540-4206?

NSN 4520-00-540-4206 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 4520-00-540-4206?

NSN 4520-00-540-4206 has 1 cross-referenced part number: WWV160 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4520-00-540-4206?

There are 11 known substitutes for 4520-00-540-4206: 4520-00-204-0693, 4520-00-222-3475, 4520-00-222-3476 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWV160?

Key specifications for WWV160: Nondefinitive Spec/std Data: 25 CLASS AND 2 PATTERN AND C STYLE AND 3/4 IN SIZE AND 2 TYPE AND 1 SERVICE IN; Material: COPPER ALLOY SEAT; Material: COPPER ALLOY BODY; Media for Which Designed: STEAM. 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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