NSN 4820-01-539-3343

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-539-3343.

• MPN or Model
  

  20167JM51M

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Flow Control Device
  Disk
• Bonnet Type
  Inside spring
• Bonnet Attachment Method
  Bolted
• Disk Loading Method
  Spring
• Renewable Seat Ring Type
  Retaining screw
• Maximum Operating Temp
  320.0 degrees fahrenheit single response
• End Application
  New construction lcs1
• Valve Operation Method
  Automatic
• Connection Type
  Unthreaded internal tube all ends
• Valve Size
  0.500 inches
• Maximum Operating Pressure
  500.0 pounds per square inch single response
• Criticality Code Justification
  Zzzy
• Opening Pressure Setting
  58.0 pounds per square inch
• First Connection Face To Centerline Distance
  3.625 inches
• Second Connection Face To Centerline Distance
  3.562 inches
• Part Name Assigned By Controlling Agency
  1/2 x 3/4 relief valve
• Material
  Nickel alloy flow control device and plastic polytetrafluoroethylene flow control device
• Style Designator
  Err-090
• Furnished Items And Quantity
  1 plugged drain and 2 tailpiece and 2 nut
• Specification Data
  81349 - mil-v-22549 government specification
• Reference Number Differentiating Characteristics
  Material will be in accordance with ships parts control center activity hx quality control, manufacturing, testing specifications