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NSN 4820-01-181-8657

Valve Seat Insert

About this product

W/2 std wrench notches on the id.

Manufacturer part number 208-4325303 PIE for national stock number 4820011818657.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-181-8657.

  • MPN or Model

    208-4325303 PIE

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    1.7 lb
  • Thread Class
    2a single threaded portion
  • Err Default
    0.500 inches single threaded portion
  • Overall Height
    0.634 inches
  • Body Inside Diameter
    4.250 inches
  • Thready Qty Per Inch (tpi)
    12 single threaded portion
  • Thread Size
    5.375 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Nickel alloy
  • Style Designator
    B5 plain threaded
  • 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 4820011818657

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
208-4325303 PIE Precision Radiation Instruments Inc
208-4325303 PIECE 9 Naval Ship Systems Command
6553-255 Huntington Ingalls Incorporated
208-4325303 Naval Ship Systems Command
6553-255 PIECE 9 Huntington Ingalls Incorporated
Stock Check
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