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NSN 4820-00-545-3773

Valve Seat Insert

About this product

1.750 inches flange diameter, 0.325 inches taper length, between 0.323 inches and 0.327 inches taper minor diameter, taper major diameter: 0.467 inches .

Manufacturer part number 44B3021-72DPC1H2B for national stock number 4820005453773.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-545-3773.

  • MPN or Model

    44B3021-72DPC1H2B

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flange Diameter
    1.750 inches
  • Taper Length
    0.325 inches
  • Taper Minor Diameter
    Between 0.323 inches and 0.327 inches
  • Taper Major Diameter
    0.467 inches
  • Body Outside Diameter
    1.314 inches
  • Body Inside Diameter
    Between 0.319 inches and 0.320 inches
  • Seat Radius
    0.094 inches
  • Flange Seat To Disk End Height
    0.375 inches
  • Under Flange Height
    0.553 inches
  • Seating Surface Shape
    Radial
  • Material
    Steel body
  • Material Specification
    Qq-s-763, class 410 federal specification single 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 4820005453773

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
44B3021-72DPC1H2B Carrier Corporation
44B3021-738 Elliott Company
44B3021-738 Carrier Corporation
44B3021-738 Lowe Charles M Co The
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