1-321-802-5889

NSN 4820-00-173-7381

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 0.5 gallons per minute valve discharge flow rate, connection style: external seat for gasket seal (boss) all ends.

Manufacturer part number 2R2630 for national stock number 4820001737381.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-173-7381.

  • MPN or Model

    2R2630

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    0.5 gallons per minute
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    External seat for gasket seal (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded cartridge all ends
  • Thready Qty Per Inch (tpi)
    118 all ends
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.562 inches all ends
  • Opening Pressure Setting
    185.0 pounds per square inch
  • Material
    Steel comp 440c flow control device
  • Material Specification
    Qq-s-763 federal specification single material response flow control device
  • Media For Which Designed
    Oil, hydraulic single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625 military specification single treatment response
  • Style Designator
    Screw-in cartridge
  • Thread Series Designator
    Unj all ends
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 4820001737381

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2R2630 Crissair, Inc.
64658-03119-101 Sikorsky Aircraft Corporation
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