NSN 4820-00-142-1547

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-00-142-1547.

• MPN or Model
  

  FF2503B

• 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
  Threaded
• Bolt Hole Quantity
  3 2nd end
• Maximum Operating Temp
  650.0 degrees fahrenheit single response
• Valve Operation Method
  Automatic or manual
• Flange Shape
  Round with holes 2nd end
• Connection Type
  Flange 1st end
• Features Provided
  Valve stem lock shield and pressure tight outlet side
• Adjustable Pressure Range
  +276.0/+450.0 pounds per square inch
• Maximum Operating Pressure
  300.0 pounds per square inch single response
• Outside Diameter
  4.000 inches 1st end
• Thickness
  0.562 inches 1st end
• First Connection Face To Centerline Distance
  3.000 inches
• Bolt Hole Diameter
  0.562 inches 2nd end
• Second Connection Face To Centerline Distance
  3.000 inches
• Bolt Circle Diameter
  2.875 inches 1st end
• Flange Face Design
  Plain 2nd end
• Material
  Steel uns j03008 body
• Material Specification
  Mil-s-15083 military specification single material response body
• Media For Which Designed
  Oil single response
• Style Designator
  Angle flanged ends