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NSN 4820-01-541-7287

Valve Seat Insert

About this product

Material is virgin ptfe, glass reinforced iaw astm 4745 type ii grade 15% glass fiber; must meet applicable stack height requirement in table no. 284, pg 28 of drawing.

Manufacturer part number 803-5001003-X7X1-04 for national stock number 4820015417287.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-541-7287.

  • MPN or Model

    803-5001003-X7X1-04

  • 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
    3.557 inches
  • Overall Height
    0.330 inches
  • Body Outside Diameter
    2.557 inches
  • Body Inside Diameter
    1.500 inches
  • End Application
    2-way 1.5 inch ball valve; new construction ssn23
  • Flange Seat To Disk End Height
    0.330 inches
  • Under Flange Height
    0.170 inches
  • Seat Angle In Deg
    45.000
  • Seating Surface Shape
    Angular
  • Body Stepped Inside Diameter
    2.557 inches first step
  • Criticality Code Justification
    Zzzy
  • Part Name Assigned By Controlling Agency
    Seat
  • Material
    Plastic polytetrafluoroethylene
  • Style Designator
    Plain flanged
  • Reference Number Differentiating Characteristics
    Cleaning and packaging per mil-std-1330d
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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 4820015417287

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-5001003-X7X1-04 Naval Sea Systems Command
803-5001003-X7XX-04 Naval Sea Systems Command
803-5001003-X7X1-04CP Naval Inventory Control Point
5001003 Naval Sea Systems Command
Stock Check
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