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NSN 4820-00-409-0781

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, gasket sea (boss) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 5177T16TB70 for national stock number 4820004090781.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-409-0781.

  • MPN or Model

    5177T16TB70

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3b 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 2nd end
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    12 2nd end
  • Maximum Operating Pressure
    2500.0 pounds per square inch single response
  • Thread Size
    1.312 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    70.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    1.000 inches 2nd end
  • Material
    Steel comp 303
  • Material Specification
    66 federal standard single material response
  • Media For Which Designed
    Nitrogen, gaseous 3rd response
  • Style Designator
    Straight through note: to be used for valve bodies of separable sections.
  • Thread Series Designator
    Unj 2nd 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 4820004090781

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5177T16TB70 Circor Aerospace, Inc.
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