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NSN 4820-01-020-9879

Valve Seat Insert

About this product

Between 2.6260 inches and 2.6265 inches flange diameter, 0.225 inches seat radius, 1.437 inches flange seat to disk end height, under flange height: 0.438 inches .

Manufacturer part number B708E02A for national stock number 4820010209879.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-020-9879.

  • MPN or Model

    B708E02A

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    Between 2.6260 inches and 2.6265 inches
  • Body Outside Diameter
    Between 2.046 inches and 2.062 inches
  • Seat Radius
    0.225 inches
  • Flange Seat To Disk End Height
    1.437 inches
  • Under Flange Height
    0.438 inches
  • Seating Surface Shape
    Radial
  • Body Stepped Inside Diameter
    0.968 inches second step
  • Material
    Nickel copper iron
  • Material Specification
    Mil-n-6710, cond e, finish 4 military specification single material response
  • Style Designator
    Plain flanged
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 4820010209879

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B708E02A General Electric Co
B70BE02A General Electric Co
134B509FX General Electric Co
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