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NSN 4820-00-825-1991

Valve Seat Insert

About this product

Between 2.115 inches and 2.120 inches flange diameter, 0.312 inches body inside diameter, 0.188 inches flange seat to disk end height, under flange height: 0.188 inches .

Manufacturer part number 186311PC120 for national stock number 4820008251991.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-825-1991.

  • MPN or Model

    186311PC120

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    2a single threaded portion
  • Thread Length
    0.344 inches single threaded portion
  • Flange Diameter
    Between 2.115 inches and 2.120 inches
  • Body Outside Diameter
    Between 1.932 inches and 1.937 inches
  • Body Inside Diameter
    0.312 inches
  • Flange Seat To Disk End Height
    0.188 inches
  • Under Flange Height
    0.188 inches
  • Thread Size
    0.312 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Steel
  • Material Specification
    Qq-s-763 federal specification single material response
  • Style Designator
    Plain flanged
  • Thread Series Designator
    Unf 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 4820008251991

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
186311PC120 Curtiss-wright Electro-mechanical
186290PC120 Dresser-rand Company
184450PC120 Dresser-rand Company
CMK17K5N Dresser-rand Company
CMK17K5N Curtiss-wright Electro-mechanical
186290PC120 Dresser-rand Co
184450PC120 Dresser-rand Co
CMK17K5N Dresser-rand Co
186290PC120 Ingersoll Rand Co
184450PC120 Ingersoll Rand Co
186311PC120 Ingersoll Rand Co
CMK17K5N Ingersoll Rand Co
186311PC120 Curtiss-wright Electro-mechanical
CMK17K5N Curtiss-wright Electro-mechanical
186290PC120
184450PC120
CMK17K5N
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