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NSN 4820-00-123-1543

Fuel Manifold Check Valve

About this product

0.250 inches 1st end pipe size accommodated, poppet flow control device, spring disk loading method, connection style: gasket seal (boss) 1st end.

Manufacturer part number 493-4SS1-2 for national stock number 4820001231543.

Datasheet

  • Product description

    Check Valve NSN 4820-00-123-1543.

  • MPN or Model

    493-4SS1-2

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.4 lb
  • Pipe Size Accommodated
    0.250 inches 1st end
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • 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 1st end
  • Thread Size
    0.438 inches 1st end
  • Seat Angle
    37.5 degrees 1st end
  • Material
    Steel comp 303 seat
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf 1st 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 4820001231543

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
493-4SS1-2 Parker-hannifin Corporation
249T-4BB Circor Aerospace, Inc.
2360679-1 Navair And Navsea Managed
493-4SS1-2 Teledyne Industries Inc
Stock Check
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