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NSN 4820-01-061-0143

Valve Seat Insert

About this product

1.550 inches flange diameter, 0.625 inches body inside diameter, 0.148 inches flange seat to disk end height, under flange height: 0.337 inches .

Manufacturer part number 20417-1020 for national stock number 4820010610143.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-061-0143.

  • MPN or Model

    20417-1020

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Flange Diameter
    1.550 inches
  • Body Outside Diameter
    1.550 inches
  • Body Inside Diameter
    0.625 inches
  • Flange Seat To Disk End Height
    0.148 inches
  • Under Flange Height
    0.337 inches
  • Seating Surface Shape
    Flat
  • Material
    Stainless steel
  • 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 4820010610143

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20417-1020 Sargent Aerospace & Defense, Llc
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