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NSN 4820-01-166-5347

Fuel Manifold Check Valve

About this product

Disk flow control device, spring disk loading method, gasket seal (boss) 1st end connection style, valve operation method: automatic.

Manufacturer part number LE284-0031-0004 for national stock number 4820011665347.

Datasheet

  • Product description

    Check Valve NSN 4820-01-166-5347.

  • MPN or Model

    LE284-0031-0004

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    1.1 lb
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    525.0 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)
    12 2nd end
  • Maximum Operating Pressure
    70.0 pounds per square inch single response
  • Thread Size
    1.312 inches 2nd end
  • Seat Angle
    37.0 degrees 2nd end
  • Material
    Steel comp 630 body
  • Media For Which Designed
    Nitrogen, gaseous single response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-s-5002 military specification single treatment 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 4820011665347

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LE284-0031-0004 Boeing Company, The
2S6576 Crissair, Inc.
LE284-0031-0003 Boeing Company, The
2S2720 Crissair, Inc.
Stock Check
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