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NSN 4820-00-165-9632

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, plain (pipe) all ends connection style, valve operation method: automatic.

Manufacturer part number D559T1-2M-25 for national stock number 4820001659632.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-165-9632.

  • MPN or Model

    D559T1-2M-25

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Plain (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe all ends
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Opening Pressure Setting
    25.0 pounds per square inch
  • Material
    Steel comp 303
  • Material Specification
    Fedstd66, aisi303/sae30303 federal standard all material responses
  • Media For Which Designed
    Hydrogen 4th response
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Npt all ends
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 4820001659632

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559T1-2M-25 Circor Aerospace, Inc.
C1058S2D25 Lockheed Martin Corporation
D559T2M25 Circor Aerospace, Inc.
D539T2M25 Circor Aerospace, Inc.
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