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NSN 4820-00-036-2166

Valve Seat Insert

About this product

Two lugs on top of flange,0.375 in.W,0.219 in. H.

Manufacturer part number 20027-3 for national stock number 4820000362166.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-036-2166.

  • MPN or Model

    20027-3

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.250 inches single threaded portion
  • Flange Diameter
    Between 1.092 inches and 1.093 inches
  • Body Inside Diameter
    Between 0.548 inches and 0.719 inches
  • Flange Seat To Disk End Height
    Between 0.155 inches and 0.156 inches
  • Under Flange Height
    0.250 inches
  • Seat Angle In Deg
    60.000
  • Thread Size
    0.906 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Steel
  • Material Specification
    66, aisi 304/sae 30304 federal standard single material response
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Unef single threaded portion
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 4820000362166

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20027-3 Dresser Industries Inc
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