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NSN 4820-01-135-2458

Velocity Fuse

About this product

Poppet flow control device, inside spring bonnet type, pressure seal, ring type bonnet attachment method, connection style: g46b plain (pipe) 1st end.

Manufacturer part number D559A-6M-7 for national stock number 4820011352458.

Picture of NSN 4820-01-135-2458

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-135-2458.

  • MPN or Model

    D559A-6M-7

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.2 lb
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Pressure seal, ring type
  • Maximum Operating Temp
    -40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response
  • 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
    0.375 inches 1st end
  • Opening Pressure Setting
    7.0 pounds per square inch
  • Material
    Aluminum alloy 2024
  • Material Specification
    Qq-a-225/6, t4 federal specification single material response
  • Media For Which Designed
    Hydrogen 5th response
  • 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 4820011352458

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559A-6M-7 Circor Aerospace, Inc.
Stock Check
Availability for this item was last checked on 11/29/22. The quantities and conditions available at the time were:
  • NS: 1