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NSN 4820-01-430-3852

Valve Seat Insert

About this product

1.844 inches flange diameter, between 1.495 inches and 1.505 inches body inside diameter, between 0.762 inches and 0.769 inches flange seat to disk end height, under flange height: 0.386 inches .

Manufacturer part number 2557-073-062-S for national stock number 4820014303852.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-430-3852.

  • MPN or Model

    2557-073-062-S

  • 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.)
    0.5 lb
  • Flange Diameter
    1.844 inches
  • Body Outside Diameter
    Between 1.620 inches and 1.625 inches
  • Body Inside Diameter
    Between 1.495 inches and 1.505 inches
  • End Application
    Nimitz class cvn
  • Flange Seat To Disk End Height
    Between 0.762 inches and 0.769 inches
  • Under Flange Height
    0.386 inches
  • Seat Angle In Deg
    7.000
  • Seating Surface Shape
    Angular
  • Material
    Steel comp 316
  • Style Designator
    Plain flanged
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 4820014303852

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2557-073-062-S Velan Valve Corporation
23399 P/N 2557-073-062-S Velan Valve Corporation
23399-1ITEM 5 PN 2557-073-062S Velan Valve Corporation
23399 Velan Valve Corporation
23399-1 Velan Valve Corporation
2557-073-062-S Velan Valve Corporation
23399 P/N 2557-073-062-S Velan Valve Corporation
23399-1ITEM 5 PN 2557-073-062S Velan Valve Corporation
23399 Velan Valve Corporation
23399-1 Velan Valve Corporation
Stock Check
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