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NSN 4820-01-253-4637

Valve Seat Insert

About this product

0.375 in. Across flats,0.156 in. Lg hex wrenching feature flange end; four 0.062 in. Dia holes 90 deg apart drilled thru body perpendicular to bore between thd portion and flange.

Manufacturer part number 35-16231Z for national stock number 4820012534637.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-253-4637.

  • MPN or Model

    35-16231Z

  • 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
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.344 inches single threaded portion
  • Flange Diameter
    0.672 inches
  • Flange Seat To Disk End Height
    0.094 inches
  • Under Flange Height
    0.594 inches
  • Hardness Rating
    40.0 rockwell c and 45.0 rockwell c
  • Thread Size
    0.500 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Body Stepped Inside Diameter
    0.316 inches second step
  • Material
    Steel comp 4140
  • Style Designator
    Threaded 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 4820012534637

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
35-16231Z Parker-hannifin Corporation
035-16231 Parker-hannifin Corporation
35-16231 Parker-hannifin Corporation
25-8153-W Parker-hannifin Corporation
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