1-321-802-5889

NSN 4820-01-543-8542

Valve Seat Insert

About this product

Material zytel 45 hsb, as manufactured by e.I. Dupont of wilmington, delaware; use only with ball plated with poly-ond.

Manufacturer part number 845-4558740 ITEM 162 for national stock number 4820015438542.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-543-8542.

  • MPN or Model

    845-4558740 ITEM 162

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Overall Height
    0.375 inches
  • Body Outside Diameter
    2.125 inches
  • Body Inside Diameter
    1.250 inches
  • End Application
    4820-01-543-8356; w/s ssn74
  • Seat Radius
    0.469 inches
  • Seating Surface Shape
    Radial
  • Part Name Assigned By Controlling Agency
    Seat
  • Material
    Plastic
  • Material Specification
    Zytel 45 hsb mfr ref single material response
  • Style Designator
    Plain
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 4820015438542

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
845-4558740 ITEM 162 Naval Ship Systems Command
2642-785-05 ITEM 162 Electric Boat Corporation
4558740 Naval Ship Systems Command
4558741 Naval Ship Systems Command
ER2642-785-05F1 Electric Boat Corporation
Stock Check
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