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NSN 4820-00-346-6520

Valve Seat Insert

About this product

Two lugs on top of flange,0.438 in.W,0.188 in.H.

Manufacturer part number D338C for national stock number 4820003466520.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-346-6520.

  • MPN or Model

    D338C

  • 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 lb
  • Thread Class
    2a single threaded portion
  • Err Default
    0.375 inches single threaded portion
  • Flange Diameter
    4.219 inches
  • Body Inside Diameter
    3.500 inches
  • Flange Seat To Disk End Height
    0.500 inches
  • Under Flange Height
    0.375 inches
  • Thready Qty Per Inch (tpi)
    16 single threaded portion
  • Thread Size
    4.000 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Nickel alloy
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Un 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 4820003466520

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D338C Miller And Gabbe Ltd
E504PC9 Kieley And Mueller Inc
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