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NSN 4820-00-878-0471

Valve Seat Insert

About this product

0.812 inches body inside diameter, 45.000 seat angle in deg, grooved seal accommodation type, hardness rating: 75.0 rockwell m face.

Manufacturer part number 2640-695X1 PIEC for national stock number 4820008780471.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-878-0471.

  • MPN or Model

    2640-695X1 PIEC

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.1 lb
  • Overall Height
    0.312 inches
  • Body Outside Diameter
    1.746 inches
  • Body Inside Diameter
    0.812 inches
  • Seat Angle In Deg
    45.000
  • Seal Accommodation Type
    Grooved
  • Hardness Rating
    75.0 rockwell m face
  • Seating Surface Shape
    Angular
  • Material
    Plastic polyamide
  • Style Designator
    Plain
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 4820008780471

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-695X1 PIEC Electric Boat Corporation
20-09523 Portland Valve Llc
N050-6 P J Valves Inc
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