1-321-802-5889

NSN 4820-01-249-5311

Velocity Fuse

About this product

Stem flow control device, g46a plain (tube) all ends connection style, automatic valve operation method, connection type: threaded external tube all ends.

Manufacturer part number 577T-4D-12 for national stock number 4820012495311.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-249-5311.

  • MPN or Model

    577T-4D-12

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Stem
  • Connection Style
    G46a plain (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.500 inches all ends
  • Material
    Steel comp 303 body or steel body
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
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 4820012495311

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
577T-4D-12 Circor Aerospace, Inc.
537T-4D-12 Circor Aerospace, Inc.
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