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NSN 4820-01-121-2038

Disk Diaphragm

About this product

Between 0.247 inches and 0.249 inches shank diameter, between 0.670 inches and 0.690 inches flange diameter, steel comp 304 material, material specification: qq-s-763, class 304, cond a federal specification single material response.

Manufacturer part number 87791-5101 ITEM 19 for national stock number 4820011212038.

Datasheet

  • Product description

    Valve Disk NSN 4820-01-121-2038.

  • MPN or Model

    87791-5101 ITEM 19

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Shank Diameter
    Between 0.247 inches and 0.249 inches
  • Flange Diameter
    Between 0.670 inches and 0.690 inches
  • Overall Height
    0.940 inches
  • Material
    Steel comp 304
  • Material Specification
    Qq-s-763, class 304, cond a federal specification single material response
  • Style Designator
    Poppet
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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 4820011212038

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
87791-5101 ITEM 19 Electric Boat Corporation
516-4775901 ITEM 19 Naval Ship Systems Command
516-4775901 Naval Ship Systems Command
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