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NSN 4820-00-498-7302

Valve Seat Insert

About this product

90.000 seat angle in deg, 18 single threaded portion thready qty per inch (tpi), angular seating surface shape, material: steel comp 303ma .

Manufacturer part number RB19054 for national stock number 4820004987302.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-498-7302.

  • MPN or Model

    RB19054

  • 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 single threaded portion
  • Seat Angle In Deg
    90.000
  • Thready Qty Per Inch (tpi)
    18 single threaded portion
  • Thread Size
    1.250 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Steel comp 303ma
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unef single 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 4820004987302

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
RB19054 Crane Co.
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