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NSN 4820-01-553-1798

Disk Diaphragm

About this product

Disk assembly includes piece 28 locking key (4" valve only) cold drawn carbon steel astm a108 grade c-1018; piece 73 disc (4") low alloy steel astm a-182 grade f11 class 2; and piece 88 body guided disc nut (4" in-line) forged alloy steel astm a182 grade.

Manufacturer part number 803-2177141-4XX-94 for national stock number 4820015531798.

Datasheet

  • Product description

    Valve Disk NSN 4820-01-553-1798.

  • MPN or Model

    803-2177141-4XX-94

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • End Application
    Los angeles class ssn (688)
  • Part Name Assigned By Controlling Agency
    Disc assembly pieces 28, 73, 88
  • Material
    Steel
  • Material Specification
    Astm a182 grade f11 class 2 assn standard 1st material response and astm a108 grade c-1018 assn standard 2nd material response
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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 4820015531798

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-2177141-4XX-94 Naval Ship Systems Command
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