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NSN 4820-00-340-0853

Valve Seat Insert

About this product

2 bleed holes.

Manufacturer part number 8U8017-4 for national stock number 4820003400853.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-340-0853.

  • MPN or Model

    8U8017-4

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • Flange Diameter
    Between 0.684 inches and 0.685 inches
  • Body Outside Diameter
    Between 0.363 inches and 0.367 inches
  • Flange Seat To Disk End Height
    Between 0.372 inches and 0.378 inches
  • Under Flange Height
    Between 0.085 inches and 0.100 inches
  • Seal Accommodation Type
    Recessed
  • Seating Surface Shape
    Flat
  • Body Stepped Inside Diameter
    0.276 inches second step and 0.286 inches second step
  • Material
    Aluminum alloy 7075
  • Surface Treatment
    Anodize
  • Fsc Application Data
    Valve, linear, directional control, acft
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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 4820003400853

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
8U8017-4 Woodward, Inc.
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