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NSN 4820-01-268-3278

Valve Seat Insert

About this product

0.844 inches body inside diameter, 0.234 inches flange seat to disk end height, 0.110 inches under flange height, thready qty per inch (tpi): 20 single threaded portion.

Manufacturer part number 803-4384536-45A-13 for national stock number 4820012683278.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-268-3278.

  • MPN or Model

    803-4384536-45A-13

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a single threaded portion
  • Body Inside Diameter
    0.844 inches
  • Flange Seat To Disk End Height
    0.234 inches
  • Under Flange Height
    0.110 inches
  • Thready Qty Per Inch (tpi)
    20 single threaded portion
  • Thread Size
    1.188 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Nickel alloy
  • Material Specification
    Qq-n-288 military specification single material response
  • Thread Series Designator
    Un single threaded portion
More from these suppliers
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 4820012683278

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-4384536-45A-13 Naval Ship Systems Command
803438453611B13 Naval Ship Systems Command
803-4384536-45A-13 Naval Ship Systems Command
803438453611B13 Naval Ship Systems Command
Stock Check
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