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NSN 4820-01-049-3383

Valve Seat Insert

About this product

0.500 inches flange diameter, between 0.250 inches and 0.257 inches body inside diameter, between 0.328 inches and 0.329 inches flange seat to disk end height, under flange height: between 0.218 inches and 0.229 inches .

Manufacturer part number 2551-8-69 for national stock number 4820010493383.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-049-3383.

  • MPN or Model

    2551-8-69

  • 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.)
    0.3 lb
  • Flange Diameter
    0.500 inches
  • Body Outside Diameter
    Between 0.351 inches and 0.354 inches
  • Body Inside Diameter
    Between 0.250 inches and 0.257 inches
  • Flange Seat To Disk End Height
    Between 0.328 inches and 0.329 inches
  • Under Flange Height
    Between 0.218 inches and 0.229 inches
  • Seating Surface Shape
    Flat
  • Material
    Steel comp stellite no. 5 face
  • Material Specification
    Astm-a276 assn standard 1st material response body or astm-a479 assn standard 1st material response body
  • 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 4820010493383

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2551-8-69 Velan Valve Corporation
23399PIECE5 3/8 Velan Valve Corporation
23399 Velan Valve Corporation
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