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NSN 4820-01-487-8025

Disk Diaphragm

About this product

Next higher assembly p/n 254844, manifold 3/4 stop check distilling system. Material is qq-c-390 alloy d5. Shank has 3 ribs equally spaced with 1 hole 0.094 inch diameter 0.250 inch from end. Flange has one hole 0.062 inch diameter at shank..

Manufacturer part number 254844 PC 11 for national stock number 4820014878025.

Datasheet

  • Product description

    Valve Disk NSN 4820-01-487-8025.

  • MPN or Model

    254844 PC 11

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Inside Diameter
    0.406 inches
  • Shank Diameter
    0.813 inches
  • Flange Diameter
    1.438 inches
  • Overall Height
    1.188 inches
  • Inside Depth
    0.688 inches
  • End Application
    Used on ssn 688 without change from the manifold used on ssn 837. Further shock qualification not required.
  • Under Flange Height
    0.500 inches
  • Seat Angle
    30.0 degrees
  • Material
    Copper alloy
  • Media For Which Designed
    Liquid
  • Style Designator
    Poppet
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 4820014878025

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
254844 PC 11 Huntington Ingalls Incorporated
254844 Huntington Ingalls Incorporated
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