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NSN 4820-01-167-5552

Fuel Manifold Check Valve

About this product

Disk flow control device, gasket seal (boss) 1st end connection style, automatic valve operation method, connection type: threaded internal boss 1st end.

Manufacturer part number 249T-4TB for national stock number 4820011675552.

Datasheet

  • Product description

    Check Valve NSN 4820-01-167-5552.

  • MPN or Model

    249T-4TB

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Maximum Operating Temp
    500.0 degrees fahrenheit single response
  • Connection Style
    Gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 1st end
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    20 2nd end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.437 inches 2nd end
  • Seat Angle
    37.0 degrees 2nd end
  • Material
    Steel comp 303
  • Material Specification
    Aisi 303 assn standard single material response
  • Media For Which Designed
    Water-oil-gas single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unj 2nd end
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Check Valve

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Mechanic Bill explains Fuel Manifold Check Valve

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NSN 4820011675552

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
249T-4TB Circor Aerospace, Inc.
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