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NSN 4820-01-085-7071

Valve Seat Insert

About this product

Between 0.550 inches and 0.580 inches flange diameter, between 0.111 inches and 0.170 inches body inside diameter, 0.188 inches seat radius, flange seat to disk end height: between 0.101 inches and 0.108 inches .

Manufacturer part number MC12944 for national stock number 4820010857071.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-085-7071.

  • MPN or Model

    MC12944

  • 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.)
    0.1 lb
  • Flange Diameter
    Between 0.550 inches and 0.580 inches
  • Body Outside Diameter
    Between 0.357 inches and 0.360 inches
  • Body Inside Diameter
    Between 0.111 inches and 0.170 inches
  • Seat Radius
    0.188 inches
  • Flange Seat To Disk End Height
    Between 0.101 inches and 0.108 inches
  • Under Flange Height
    Between 0.418 inches and 0.422 inches
  • Hardness Rating
    82.0 rockwell c
  • Seating Surface Shape
    Radial
  • Material
    Stainless steel
  • Material Specification
    Qq-s-764 federal specification single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mc+5 mfr ref single treatment response
  • Style Designator
    Plain flanged
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 4820010857071

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MC12944 Eaton Aerospace Llc
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