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NSN 4820-00-102-9720

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, external seat for gasket seal (boss) 1st end connection style, valve operation method: automatic.

Manufacturer part number D559T16D4 for national stock number 4820001029720.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-102-9720.

  • MPN or Model

    D559T16D4

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    1.5 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Connection Style
    External seat for gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss 1st end
  • Thready Qty Per Inch (tpi)
    12 1st end
  • Thread Size
    1.312 inches 1st end
  • Opening Pressure Setting
    4.0 pounds per square inch
  • Material
    Steel comp 303 seat
  • Material Specification
    Fed standard 66, aisi 303/sae 30303 federal standard 1st material response flow control device
  • Surface Treatment
    Passivate
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Un 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 4820001029720

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559T16D4 Circor Aerospace, Inc.
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