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NSN 4820-00-871-8935

Valve Seat Insert

About this product

Used on 3/4 in. Size stop valve.

Manufacturer part number SC3549 3-4IN for national stock number 4820008718935.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-871-8935.

  • MPN or Model

    SC3549 3-4IN

  • 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.)
    0.2 lb
  • Thread Class
    3a single threaded portion
  • Err Default
    0.284 inches single threaded portion
  • Flange Diameter
    1.250 inches
  • Body Inside Diameter
    0.575 inches
  • Flange Seat To Disk End Height
    0.120 inches
  • Under Flange Height
    0.387 inches
  • Seat Angle In Deg
    20.333
  • Thread Size
    1.000 inches single threaded portion
  • Seating Surface Shape
    Angular
  • Material
    Nickel alloy
  • Material Specification
    Mil-m-20164 military specification single material response
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Unef 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 4820008718935

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SC3549 3-4IN The Walworth Company
54386 The Walworth Company
C38476 The Walworth Company
SS845-1889587 Naval Sea Systems Command
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