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NSN 4820-00-998-1739

Velocity Fuse

About this product

Clean for oxygen.

Manufacturer part number P891-2 for national stock number 4820009981739.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-998-1739.

  • MPN or Model

    P891-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.250 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Connection Style
    G9 plain, optional en (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 1st end
  • Features Provided
    Valve stem lock shield and bonnet packing and pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    18 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.250 inches 2nd end
  • Criticality Code Justification
    Feat
  • Opening Pressure Setting
    1.0 pounds per square inch
  • Material
    Aluminum alloy seat
  • Media For Which Designed
    Water-oil-gas single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 1st end
More from these suppliers
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 4820009981739

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P891-2 Carleton Life Support Systems Inc.
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