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NSN 4820-01-388-1257

Disk Diaphragm

About this product

Includes 1 hinge, 1 nut, 1 cotter pin, and 1 washer.

Manufacturer part number 803-1385637-03X-20 for national stock number 4820013881257.

Datasheet

  • Product description

    Valve Disk NSN 4820-01-388-1257.

  • MPN or Model

    803-1385637-03X-20

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    2.5 lb
  • Shank Diameter
    0.625 inches
  • Outside Diameter
    3.812 inches
  • Flange Seat To Disk End Height
    0.688 inches
  • Tempurature Rating
    425.0 degrees fahrenheit
  • Pressure Rating
    250.0 pounds per square inch
  • Material
    Nickel alloy
  • Style Designator
    Swing check
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Valve Disk

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

Mechanic Bill explains Disk Diaphragm

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NSN 4820013881257

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-1385637-03X-20 Naval Ship Systems Command
803-1385637 Naval Ship Systems Command
803-1385637-03X-20 Naval Ship Systems Command
803-1385637 Naval Ship Systems Command
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