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NSN 4820-01-553-4003

Valve Seat Insert

About this product

Nha: 4820-01-352-1772; 2.5 inch ball valve.

Manufacturer part number 7550478-264382003-031 for national stock number 4820015534003.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-553-4003.

  • MPN or Model

    7550478-264382003-031

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • End Application
    Ssn 21
  • Criticality Code Justification
    Zzzy
  • Material
    Plastic polyurethane seat
  • Reference Number Differentiating Characteristics
    Cleaning, packaging, and marking iaw 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 4820015534003

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7550478-264382003-031 Naval Sea Systems Command
2640-801X2 PC 45 Electric Boat Corporation
264382003-031 Electric Boat Corporation
264382003-31CD1 Electric Boat Corporation
2643-820-03 ITEM 31 Electric Boat Corporation
G547-0002-264382003-031 Electric Boat Corporation
845-7286645 ITEM 31 Naval Sea Systems Command
2640-801X2 PC 45CP Naval Inventory Control Point
2643-820-03 ITEM 31CP Naval Inventory Control Point
264382003-031CP Naval Inventory Control Point
264382003-31CD1CP Naval Inventory Control Point
7550478-264382003-031CP Naval Inventory Control Point
845-7286645 ITEM 31CP Naval Inventory Control Point
G547-0002-264382003-031CP Naval Inventory Control Point
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