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NSN 4820-00-439-9807

Velocity Fuse

About this product

0.500 inches 2nd end pipe size accommodated, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.

Manufacturer part number 2509CB376-2 for national stock number 4820004399807.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-439-9807.

  • MPN or Model

    2509CB376-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.500 inches 2nd end
  • Thread Direction
    Right-hand 1st end
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Connection Style
    Plain, optional en (pipe) 1st end
  • Valve Operation Method
    Manual or automatic
  • Connection Type
    Threaded internal pipe 1st end
  • Features Provided
    Pressure tight outlet side
  • Maximum Operating Pressure
    75.0 pounds per square inch single response
  • Thread Size
    0.500 inches 2nd end
  • Criticality Code Justification
    Zzzy
  • Opening Pressure Setting
    75.0 pounds per square inch
  • Material
    Plastic polytetrafluoroethylene flow control device
  • Media For Which Designed
    Oxygen, liquid single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 1st end
  • Reference Number Differentiating Characteristics
    As differentiated by hydrocarbon decontaminated for liquid-oxygen service
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

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NSN 4820004399807

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2509CB376-2 Stansteel Corp
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