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NSN 4820-01-003-4345

Valve Seat Insert

About this product

0.374 inches flange diameter, 0.189 inches body inside diameter, between 0.165 inches and 0.170 inches flange seat to disk end height, under flange height: between 0.060 inches and 0.065 inches .

Manufacturer part number 3863048-1 for national stock number 4820010034345.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-003-4345.

  • MPN or Model

    3863048-1

  • 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
    0.374 inches
  • Body Outside Diameter
    Between 0.183 inches and 0.184 inches
  • Body Inside Diameter
    0.189 inches
  • Flange Seat To Disk End Height
    Between 0.165 inches and 0.170 inches
  • Under Flange Height
    Between 0.060 inches and 0.065 inches
  • Hardness Rating
    350.0 rockwell c and 54.0 rockwell c
  • Seating Surface Shape
    Flat
  • Material
    Steel comp 440c
  • Surface Treatment
    Passivate
  • Style Designator
    Plain flanged
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 4820010034345

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3863048-1 Triumph Actuation Systems -
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