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NSN 4820-00-413-4261

Valve Seat Insert

About this product

Seat has wrenching feature between thds on out side.

Manufacturer part number 79557 for national stock number 4820004134261.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-413-4261.

  • MPN or Model

    79557

  • 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
    2a first threaded portion
  • Thread Length
    0.935 inches first threaded portion
  • Overall Height
    2.910 inches
  • Body Inside Diameter
    1.880 inches
  • Seat Angle In Deg
    45.000
  • Thready Qty Per Inch (tpi)
    18 second threaded portion
  • Thread Size
    2.812 inches second threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Steel
  • Style Designator
    Double flanged
  • Thread Series Designator
    Uns second threaded portion
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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 4820004134261

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
79557 Ashcroft Inc.
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