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NSN 4820-00-872-5276

Valve Seat Insert

About this product

5.380 inches flange diameter, 4.000 inches body inside diameter, 0.375 inches flange seat to disk end height, under flange height: 0.965 inches .

Manufacturer part number 42121 for national stock number 4820008725276.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-872-5276.

  • MPN or Model

    42121

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • Thread Class
    2a single threaded portion
  • Err Default
    0.335 inches single threaded portion
  • Flange Diameter
    5.380 inches
  • Body Inside Diameter
    4.000 inches
  • Flange Seat To Disk End Height
    0.375 inches
  • Under Flange Height
    0.965 inches
  • Seat Angle In Deg
    30.000
  • Thready Qty Per Inch (tpi)
    16 single threaded portion
  • Thread Size
    1.250 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Copper alloy
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Un 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 4820008725276

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
42121 Griswold Industries, Co.
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