1-321-802-5889

NSN 4820-00-212-5254

Valve Seat Insert

About this product

2.750 inches body inside diameter, 12 single threaded portion thready qty per inch (tpi), flat seating surface shape, material: nickel alloy .

Manufacturer part number 240-4801-1036166REVAPC4 for national stock number 4820002125254.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-212-5254.

  • MPN or Model

    240-4801-1036166REVAPC4

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.250 inches single threaded portion
  • Overall Height
    0.375 inches
  • Body Inside Diameter
    2.750 inches
  • Thready Qty Per Inch (tpi)
    12 single threaded portion
  • Thread Size
    3.500 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Nickel alloy
  • 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 4820002125254

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
240-4801-1036166REVAPC4 Naval Ship Systems Command
240-4801-1036171REVAPC4 Naval Ship Systems Command
240-4824-1036218REVAPC24 Naval Ship Systems Command
Stock Check
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