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NSN 4820-00-023-7140

Velocity Fuse

About this product

Poppet flow control device, inside spring bonnet type, threaded bonnet attachment method, disk loading method: spring.

Manufacturer part number P37-220 for national stock number 4820000237140.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-023-7140.

  • MPN or Model

    P37-220

  • 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
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Connection Style
    Flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Features Provided
    Valve stem lock shield and bonnet packing and pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    18 1st end
  • Adjustable Pressure Range
    +41.0 to 47.0 pounds per square inch
  • Maximum Operating Pressure
    347.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Aluminum alloy seat
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf 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 4820000237140

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P37-220 Circor Aerospace, Inc.
658074-3 Lockheed Martin Corporation
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