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NSN 4820-00-101-7931

Fuel Manifold Check Valve

About this product

Piston flow control device, flareless 2nd end connection style, automatic valve operation method, connection type: threaded external tube 2nd end.

Manufacturer part number 821580 for national stock number 4820001017931.

Datasheet

  • Product description

    Check Valve NSN 4820-00-101-7931.

  • MPN or Model

    821580

  • Schedule B
    8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Piston
  • Connection Style
    Flareless 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 2nd end
  • Thready Qty Per Inch (tpi)
    18 1st end
  • Maximum Operating Pressure
    600.0 pounds per square inch single response
  • Thread Size
    0.562 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Outside Diameter Tube Accommodated
    0.375 inches 1st end
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf 2nd end
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 4820001017931

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
821580 Automatic Switch Company
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