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NSN 4820-01-253-7662

Valve Seat Insert

About this product

Between 0.062 inches and 0.064 inches taper length, between 0.310 inches and 0.314 inches taper minor diameter, between 0.435 inches and 0.439 inches taper major diameter, body inside diameter: between 0.218 inches and 0.219 inches .

Manufacturer part number 442R021 for national stock number 4820012537662.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-253-7662.

  • MPN or Model

    442R021

  • 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
    Between 0.123 inches and 0.127 inches
  • Taper Length
    Between 0.062 inches and 0.064 inches
  • Taper Minor Diameter
    Between 0.310 inches and 0.314 inches
  • Taper Major Diameter
    Between 0.435 inches and 0.439 inches
  • Body Outside Diameter
    Between 0.435 inches and 0.439 inches
  • Body Inside Diameter
    Between 0.218 inches and 0.219 inches
  • Seat Angle In Deg
    43.000
  • Seating Surface Shape
    Angular
  • Material
    Plastic polyamide
  • Style Designator
    Plain
  • Fsc Application Data
    Aircraft hydraulic system
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 4820012537662

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
442R021 Aerocontrolex Group, Inc.
Stock Check
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