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NSN 4820-00-815-5881

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, g46a plain (tube) 1st end connection style, valve operation method: automatic.

Manufacturer part number P249-2 for national stock number 4820008155881.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-815-5881.

  • MPN or Model

    P249-2

  • 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
    85.0 degrees fahrenheit single response
  • Connection Style
    G46a plain (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Maximum Operating Pressure
    60.0 pounds per square inch single response
  • Thread Size
    0.562 inches 1st end
  • Outside Diameter Tube Accommodated
    0.375 inches 1st end
  • Material
    Aluminum alloy
  • Media For Which Designed
    Air single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1, class 1 military specification single treatment response
  • Style Designator
    Err-090
  • Test Data Document
    18876-10065573 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
  • Thread Series Designator
    Unf 1st end
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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 4820008155881

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P249-2 Circor Aerospace, Inc.
10065573 U S Army Aviation And Missile
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