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NSN 4820-01-244-8439

Valve Seat Insert

About this product

10.313 inches flange diameter, 9.653 inches body inside diameter, 0.469 inches flange seat to disk end height, under flange height: 1.318 inches .

Manufacturer part number 21267 PIECE 4 for national stock number 4820012448439.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-244-8439.

  • MPN or Model

    21267 PIECE 4

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    10.313 inches
  • Body Outside Diameter
    9.777 inches
  • Body Inside Diameter
    9.653 inches
  • Flange Seat To Disk End Height
    0.469 inches
  • Under Flange Height
    1.318 inches
  • Seating Surface Shape
    Flat
  • Material
    Steel
  • Material Specification
    Astm a216, gr.Wcb assn standard single material response seat
  • Style Designator
    Plain flanged
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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 4820012448439

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
21267 PIECE 4 Crane Co
BB61-S48-0309 ALT PIECE 4 Naval Ship Systems Command
21267 Crane Co
BB61-S48-0309 Naval Ship Systems Command
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