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NSN 4820-01-081-7872

Valve Seat Insert

About this product

Two holes 0.100 in. Dia thru.

Manufacturer part number MC12548 for national stock number 4820010817872.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-081-7872.

  • MPN or Model

    MC12548

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    Between 0.630 inches and 0.632 inches
  • Body Outside Diameter
    0.530 inches
  • Flange Seat To Disk End Height
    0.690 inches
  • Under Flange Height
    0.255 inches
  • Seat Angle In Deg
    90.000
  • Seating Surface Shape
    Angular
  • Body Stepped Inside Diameter
    0.313 inches first step
  • Material
    Aluminum alloy 2024
  • Material Specification
    Qq-a-225, type2024-t351 federal specification single material response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 2 military specification single treatment response
  • 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 4820010817872

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MC12548 Eaton Aerospace Llc
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