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NSN 4820-01-182-5129

Fuel Manifold Check Valve

About this product

Cracking pressure is rated at 4 inches h20 (water).

Manufacturer part number 2S2994 for national stock number 4820011825129.

Datasheet

  • Product description

    Check Valve NSN 4820-01-182-5129.

  • MPN or Model

    2S2994

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Renewable Seat Ring Type
    Pressed-in
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -65.0 degrees fahrenheit
  • End Application
    Helicopter, apache ah-64
  • Connection Style
    Flareless all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal
  • Maximum Operating Pressure
    300.0 pounds per square inch single response
  • Thread Size
    0.875 inches all ends
  • Seat Angle
    12.0 degrees all ends
  • Outside Diameter Tube Accommodated
    0.625 inches all ends
  • Material
    Aluminum alloy
  • Media For Which Designed
    Fuel/oil, hydrocarbon 1st response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjf all ends
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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 4820011825129

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2S2994 Crissair, Inc.
10C139 Allen Aircraft Products Inc
HS4550-10 Mcdonnell Douglas Helicopter Co Inc
HS4550-10 Boeing Company, The
2S3810 Crissair, Inc.
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