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NSN 4820-01-061-7138

Valve Seat Insert

About this product

3.062 inches body inside diameter, 45.000 seat angle in deg, angular seating surface shape, material: plastic acetal .

Manufacturer part number 2640-801X01 PIECE 22 for national stock number 4820010617138.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-061-7138.

  • MPN or Model

    2640-801X01 PIECE 22

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    133300 - Machinery/machines NOI
  • Unit Weight (Est.)
    0.3 lb
  • Overall Height
    0.562 inches
  • Body Outside Diameter
    4.484 inches
  • Body Inside Diameter
    3.062 inches
  • Seat Angle In Deg
    45.000
  • Seating Surface Shape
    Angular
  • Material
    Plastic acetal
  • Material Specification
    De568 mfr ref single material response
  • 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 4820010617138

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-801X01 PIECE 22 Electric Boat Corporation
845-4558779ITEM Naval Ship Systems Command
2640-801X1 PC 2 Electric Boat Corporation
264080101-0022 Electric Boat Corporation
2642-822-10 ITEM 10 Electric Boat Corporation
845-7284929 ITEM 11 Naval Sea Systems Command
845-4558779 ITEM 10 Naval Sea Systems Command
2643-820-88 ITEM 11 Electric Boat Corporation
56-97-0727 Electric Boat Corporation
2640-801X1 Electric Boat Corporation
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