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NSN 4820-00-997-4353

Valve Seat Insert

About this product

Between 0.810 inches and 0.814 inches body inside diameter, 82.500 seat angle in deg, 75.0 rockwell m hardness rating, seating surface shape: angular.

Manufacturer part number C20-09523 for national stock number 4820009974353.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-997-4353.

  • MPN or Model

    C20-09523

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    000000 - No Nmfc Freight Description
  • Overall Height
    0.312 inches
  • Body Outside Diameter
    Between 1.744 inches and 1.748 inches
  • Body Inside Diameter
    Between 0.810 inches and 0.814 inches
  • Seat Angle In Deg
    82.500
  • Hardness Rating
    75.0 rockwell m
  • Seating Surface Shape
    Angular
  • Material
    Plastic polyamide
  • Style Designator
    Plain
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Valve Seat

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Mechanic Bill explains Valve Seat Insert

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NSN 4820009974353

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
C20-09523 Tyco Fire Products Lp
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