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NSN 4820-01-238-6289

Disk Diaphragm

About this product

0.190 inches inside diameter, 1.125 inches outside diameter, 0.250 inches flange seat to disk end height, under flange height: 0.438 inches .

Manufacturer part number 2640-390X3 PIECE 51 for national stock number 4820012386289.

Datasheet

  • Product description

    Valve Disk NSN 4820-01-238-6289.

  • MPN or Model

    2640-390X3 PIECE 51

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    050855 - Cocks R Valves Etc Bbc Sub1
  • Inside Diameter
    0.190 inches
  • Outside Diameter
    1.125 inches
  • Flange Seat To Disk End Height
    0.250 inches
  • Under Flange Height
    0.438 inches
  • Pressure Rating
    650.0 pounds per square inch
  • Material
    Titanium alloy
  • Media For Which Designed
    Water, salt
  • 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 4820012386289

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-390X3 PIECE 51 Electric Boat Corporation
SS845-2050958 PIECE 51 Naval Ship Systems Command
SS845-2050958 Naval Ship Systems Command
2640-390X3 Electric Boat Corporation
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