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NSN 4820-00-449-0930

Velocity Fuse

About this product

0.250 inches 1st end pipe size accommodated, poppet flow control device, spring disk loading method, connection style: plain (pipe) 1st end.

Manufacturer part number D559T-2M-30 for national stock number 4820004490930.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-449-0930.

  • MPN or Model

    D559T-2M-30

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Pipe Size Accommodated
    0.250 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit 2nd response
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.250 inches 1st end
  • Opening Pressure Setting
    30.0 pounds per square inch
  • Material
    Steel comp 303
  • Material Specification
    66 federal standard single material response
  • Media For Which Designed
    Hydrogen 5th response
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Npt 1st end
  • Furnished Items And Quantity
    1 deflector cap
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 4820004490930

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559T-2M-30 Circor Aerospace, Inc.
2132707-1 Honeywell Intl Inc Defense Avionics
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