NSN 4820-00-311-7817

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-00-311-7817.

• MPN or Model
  

  A51H9035-1

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Thread Class
  3b 1st end
• Thread Direction
  Right-hand 1st end
• Flow Control Device
  Poppet
• Disk Loading Method
  Spring
• Valve Discharge Flow Rate
  1.2 gallons per minute
• Maximum Operating Temp
  275.0 degrees fahrenheit single response
• Connection Style
  Gasket sea (boss) 1st end
• Valve Operation Method
  Automatic
• Connection Type
  Threaded internal boss 1st end
• Thready Qty Per Inch (tpi)
  20 1st end
• Maximum Operating Pressure
  3000.0 pounds per square inch single response
• Thread Size
  0.437 inches 1st end
• Seat Angle
  37.0 degrees 1st end
• Opening Pressure Setting
  500.0 pounds per square inch
• Outside Diameter Tube Accommodated
  0.250 inches 1st end
• Material
  Aluminum alloy 2024 body
• Surface Treatment
  Anodize
• Surface Treatment Specification
  Mil-a-8625 military specification single treatment response
• Style Designator
  Straight through w/baffle
• Thread Series Designator
  Unjf 1st end