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NSN 4820-00-456-8575

Valve Seat Insert

About this product

0.190 inches flange seat to disk end height, between 0.107 inches and 0.113 inches under flange height, between 29.500 and 30.500 seat angle in deg, seating surface shape: angular.

Manufacturer part number 311903-3 for national stock number 4820004568575.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-456-8575.

  • MPN or Model

    311903-3

  • 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
  • Unit Weight (Est.)
    0.3 lb
  • Body Outside Diameter
    Between 0.264 inches and 0.269 inches
  • Flange Seat To Disk End Height
    0.190 inches
  • Under Flange Height
    Between 0.107 inches and 0.113 inches
  • Seat Angle In Deg
    Between 29.500 and 30.500
  • Seating Surface Shape
    Angular
  • Material
    Steel comp 303
  • Material Specification
    Mil-s-7720 military specification single material response
  • Style Designator
    Plain flanged
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 4820004568575

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
311903-3 Honeywell International Inc.
311903-3 Honeywell International Inc.
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