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NSN 4820-01-493-4689

Valve Seat Insert

About this product

0.562 inches body inside diameter, 0.281 inches seat radius, radial seating surface shape, material: plastic polytetrafluoroethylene seat.

Manufacturer part number 2640-801X2 PC 43 for national stock number 4820014934689.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-493-4689.

  • MPN or Model

    2640-801X2 PC 43

  • 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
    0.281 inches
  • Body Outside Diameter
    1.061 inches
  • Body Inside Diameter
    0.562 inches
  • End Application
    Wasp class lhd
  • Seat Radius
    0.281 inches
  • Seating Surface Shape
    Radial
  • Material
    Plastic polytetrafluoroethylene seat
  • Style Designator
    Plain
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 4820014934689

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-801X2 PC 43 Electric Boat Corporation
845-7285244 ITEM 50 Naval Sea Systems Command
2643-405-01 ITEM 50 Electric Boat Corporation
264080102-43 Electric Boat Corporation
2640-801X2 Electric Boat Corporation
Stock Check
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