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NSN 4820-01-087-7102

Valve Seat Insert

About this product

Flange surface has 12 0.546 in. Dia holes equally spaced on 17.500 in. Bolt circle; holes counterbored 0.800 in. Dia and 1.987 in. Depth.

Manufacturer part number 515-4695738 ITEM 1 for national stock number 4820010877102.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-087-7102.

  • MPN or Model

    515-4695738 ITEM 1

  • 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.)
    105 lb
  • Flange Diameter
    18.630 inches
  • Body Outside Diameter
    Between 15.240 inches and 15.245 inches
  • Body Inside Diameter
    12.830 inches
  • Flange Seat To Disk End Height
    2.498 inches
  • Under Flange Height
    0.252 inches
  • Seat Angle In Deg
    10.000
  • Seating Surface Shape
    Angular
  • Material
    Nickel alloy
  • Material Specification
    Qq-n-281 class a federal specification single material response
  • Style Designator
    Plain flanged
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 4820010877102

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
515-4695738 ITEM 1 Naval Ship Systems Command
87552-0611 ITEM 1 Electric Boat Corporation
515-4695738 Naval Ship Systems Command
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