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NSN 4820-00-979-6366

Valve Seat Insert

About this product

Between 0.855 inches and 0.865 inches flange diameter, between 0.398 inches and 0.402 inches body inside diameter, between 0.040 inches and 0.050 inches flange seat to disk end height, under flange height: between 0.310 inches and 0.320 inches .

Manufacturer part number 577910 for national stock number 4820009796366.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-979-6366.

  • MPN or Model

    577910

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    Between 0.855 inches and 0.865 inches
  • Body Outside Diameter
    Between 0.621 inches and 0.623 inches
  • Body Inside Diameter
    Between 0.398 inches and 0.402 inches
  • Flange Seat To Disk End Height
    Between 0.040 inches and 0.050 inches
  • Under Flange Height
    Between 0.310 inches and 0.320 inches
  • Seal Accommodation Type
    Grooved
  • Hardness Rating
    75.0 rockwell r and 15.0 rockwell superficial 15-n
  • Seating Surface Shape
    Flat
  • Material
    Stainless steel
  • Surface Treatment
    Passivate
  • 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 4820009796366

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
577910 Hamilton Sundstrand Corporation
577910 Ontic Engineering And Manufacturing,
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