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NSN 4820-01-443-9866

Velocity Fuse

About this product

Spring disk loading method, -40.0 degrees fahrenheit minimum operating temp, g46b plain (pipe) 1st end connection style, valve operation method: automatic.

Manufacturer part number D559T1-8M-1 for national stock number 4820014439866.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-443-9866.

  • MPN or Model

    D559T1-8M-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand 1st end
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -40.0 degrees fahrenheit
  • End Application
    Nimitz class cvn
  • Connection Style
    G46b plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    1.000 inches 1st end
  • Opening Pressure Setting
    1.0 pounds per square inch
  • Material
    Steel comp 316 body
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 1st end
  • Furnished Items And Quantity
    1 deflector cap
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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 4820014439866

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559T1-8M-1 Circor Aerospace, Inc.
4875-G501 Howell Laboratories, Inc.
4875 Howell Laboratories, Inc.
4870 ITEM 67 Howell Laboratories, Inc.
4875C-G501 Howell Laboratories, Inc.
Stock Check
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