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NSN 4820-00-075-2255

Valve Seat Insert

About this product

Between 0.371 inches and 0.373 inches flange diameter, between 0.200 inches and 0.202 inches flange seat to disk end height, between 0.138 inches and 0.143 inches under flange height, hardness rating: 25.0 rockwell c and 32.0 rockwell c .

Manufacturer part number 14521 for national stock number 4820000752255.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-075-2255.

  • MPN or Model

    14521

  • 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 0.371 inches and 0.373 inches
  • Body Outside Diameter
    Between 0.262 inches and 0.264 inches
  • Flange Seat To Disk End Height
    Between 0.200 inches and 0.202 inches
  • Under Flange Height
    Between 0.138 inches and 0.143 inches
  • Hardness Rating
    25.0 rockwell c and 32.0 rockwell c
  • Seating Surface Shape
    Flat
  • Body Stepped Inside Diameter
    0.125 inches first step
  • Material
    Steel
  • Material Specification
    Qq-s-763 cl 416 federal specification single material response
  • Style Designator
    Plain flanged
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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 4820000752255

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
14521 Eaton Corporation
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