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NSN 4820-00-344-6554

Valve Seat Insert

About this product

Between 0.255 inches and 0.257 inches body inside diameter, 480.0 brinell tungsten carbide body and 550.0 brinell tungsten carbide body hardness rating, flat seating surface shape, material: steel comp 81b45h body.

Manufacturer part number 299544PC1 for national stock number 4820003446554.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-344-6554.

  • MPN or Model

    299544PC1

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Overall Height
    Between 0.182 inches and 0.192 inches
  • Body Outside Diameter
    0.408 inches
  • Body Inside Diameter
    Between 0.255 inches and 0.257 inches
  • Hardness Rating
    480.0 brinell tungsten carbide body and 550.0 brinell tungsten carbide body
  • Seating Surface Shape
    Flat
  • Material
    Steel comp 81b45h body
  • Style Designator
    Plain
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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 4820003446554

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
299544PC1 Navair And Navsea Managed
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