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NSN 4820-01-103-3291

Valve Seat Insert

About this product

Four lugs 0.250 in. W,0.125 in. Deep equally spaced.

Manufacturer part number 2621-922-02 ITEM 56-3IN for national stock number 4820011033291.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-103-3291.

  • MPN or Model

    2621-922-02 ITEM 56-3IN

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    050859 - Cocks R Valves Etc Chrome/nickel
  • Unit Weight (Est.)
    0.8 lb
  • Thread Class
    3a single threaded portion
  • Err Default
    0.469 inches single threaded portion
  • Flange Diameter
    3.719 inches
  • Body Inside Diameter
    2.875 inches
  • Flange Seat To Disk End Height
    0.250 inches
  • Under Flange Height
    0.469 inches
  • Seat Angle In Deg
    15.000
  • Thready Qty Per Inch (tpi)
    12 single threaded portion
  • Thread Size
    3.469 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Nickel alloy a
  • Material Specification
    Qq-n-288 federal specification single material response
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Uns 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 4820011033291

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2621-922-02 ITEM 56-3IN The Walworth Company
845-1889553 PIECE 31-3IN Naval Ship Systems Command
845-1889553 Naval Ship Systems Command
2621-922-02 ITEM 56-3IN Electric Boat Corporation
Stock Check
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