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NSN 4820-00-802-2225

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, flared (tube) 1st end connection style, valve operation method: automatic.

Manufacturer part number 2187647-1 for national stock number 4820008022225.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-802-2225.

  • MPN or Model

    2187647-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    -40.0 degrees fahrenheit 1st response270.0 degrees fahrenheit 2nd response
  • Connection Style
    Flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Features Provided
    Pressure tight outlet side
  • Adjustable Pressure Range
    +0.0/+200.0 pounds per square inch
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    15.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Steel comp 303 stem
  • Material Specification
    Fed standard 66 federal standard single material response stem
  • Media For Which Designed
    Hydrogen 5th response
  • Style Designator
    Straight through note: to be used for valve bodies of one section only.
  • Thread Series Designator
    Unjf 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 4820008022225

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2187647-1 Lockheed Martin Corp
559T-4D-15 Circor Aerospace, Inc.
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