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NSN 4820-00-210-5579

Valve Seat Insert

About this product

Between 2.839 inches and 2.840 inches flange diameter, between 2.276 inches and 2.286 inches body inside diameter, between 0.435 inches and 0.438 inches flange seat to disk end height, under flange height: between 0.100 inches and 0.120 inches .

Manufacturer part number 144355P20 for national stock number 4820002105579.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-210-5579.

  • MPN or Model

    144355P20

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    Between 2.839 inches and 2.840 inches
  • Body Outside Diameter
    Between 2.367 inches and 2.371 inches
  • Body Inside Diameter
    Between 2.276 inches and 2.286 inches
  • Flange Seat To Disk End Height
    Between 0.435 inches and 0.438 inches
  • Under Flange Height
    Between 0.100 inches and 0.120 inches
  • Seat Angle In Deg
    45.000
  • Hardness Rating
    90.0 rockwell b body and 105.0 rockwell b body
  • Seating Surface Shape
    Angular
  • Material
    Steel body
  • Material Specification
    Ams 5700 assn standard single material response body
  • Style Designator
    Plain flanged
  • Fsc Application Data
    Aircraft eng r2000
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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 4820002105579

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
144355P20 United Technologies Corporation
AS144355P20 Aircraft Supplies
144355P20 Pratt & Whitney Canada Cie Divpratt
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