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NSN 4820-00-399-2877

Valve Seat Insert

About this product

W/two wrenching lugs on top of seat 180 deg apart.

Manufacturer part number 42974 for national stock number 4820003992877.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-399-2877.

  • MPN or Model

    42974

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    194120 - Washers/gaskets/pckg Dvcs NOI
  • Thread Class
    2a single threaded portion
  • Err Default
    0.312 inches single threaded portion
  • Flange Diameter
    1.878 inches
  • Body Inside Diameter
    0.960 inches
  • Flange Seat To Disk End Height
    0.170 inches
  • Under Flange Height
    0.375 inches
  • Thread Size
    1.625 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Stainless steel
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Unef 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 4820003992877

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
42974 Spirax Sarco, Inc.
Stock Check
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