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NSN 4820-01-311-3925

Fuel Manifold Check Valve

About this product

Plain (tube) all ends connection style, automatic valve operation method, threaded external tube all ends connection type, mounting position: horizontal.

Manufacturer part number 20551-1 for national stock number 4820013113925.

Datasheet

  • Product description

    Check Valve NSN 4820-01-311-3925.

  • MPN or Model

    20551-1

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    2a all ends
  • Thread Direction
    Right-hand all ends
  • Connection Style
    Plain (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.750 inches all ends
  • Material
    Aluminum body
  • Surface Treatment
    Anodize
  • Style Designator
    Straight thru
  • Supplementary Features
    Flow control device: dilating o-ring
  • Thread Series Designator
    Unf 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 4820013113925

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20551-1 Navy, United States Department Of
7080-5 Parker-hannifin Corporation
20551 Navy, United States Department Of
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