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NSN 4820-00-340-7122

Valve Seat Insert

About this product

0.922 in. Min,0.940 in. Max w across hexagonal flats.

Manufacturer part number 20A12225 for national stock number 4820003407122.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-340-7122.

  • MPN or Model

    20A12225

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.166 inches single threaded portion and 0.174 inches single threaded portion
  • Flange Diameter
    Between 0.922 inches and 0.940 inches
  • Body Inside Diameter
    0.400 inches
  • Flange Seat To Disk End Height
    0.230 mils and 0.290 centimeters
  • Under Flange Height
    0.390 inches
  • Seat Angle In Deg
    15.000
  • Thread Size
    0.562 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Steel
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Unf single threaded portion
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 4820003407122

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20A12225 Triumph Engine Control Systems, Llc
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