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NSN 4820-00-633-5979

Valve Seat Insert

About this product

3.750 inches flange diameter, 0.688 inches flange seat to disk end height, 4.312 inches under flange height, thready qty per inch (tpi): 16 first threaded portion.

Manufacturer part number 89622 for national stock number 4820006335979.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-633-5979.

  • MPN or Model

    89622

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    3.8 lb
  • Thread Class
    3a second threaded portion
  • Err Default
    0.688 inches second threaded portion
  • Flange Diameter
    3.750 inches
  • Overall Height
    1.376 inches
  • Flange Seat To Disk End Height
    0.688 inches
  • Under Flange Height
    4.312 inches
  • Thready Qty Per Inch (tpi)
    16 first threaded portion
  • Thread Size
    1.875 inches second threaded portion
  • Seating Surface Shape
    Flat
  • Body Stepped Inside Diameter
    1.326 inches first step and 1.330 inches first step
  • Material
    Steel comp 347
  • Style Designator
    Double flanged
  • Thread Series Designator
    Uns second 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 4820006335979

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
89622 Ashcroft Inc.
Stock Check
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