1-321-802-5889

NSN 4820-00-411-4221

Valve Seat Insert

About this product

Zzzy criticality code justification, items that support a level i or subsafe critical system/component that has undergone quality assurance during the acquisition process and requires objective quality evidence (oqe) traceable to permanent marking on the material reference number differentiating characteristics, .

Manufacturer part number SS845-2050884PC30 for national stock number 4820004114221.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-411-4221.

  • MPN or Model

    SS845-2050884PC30

  • 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.)
    0.1 lb
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Items that support a level i or subsafe critical system/component that has undergone quality assurance during the acquisition process and requires objective quality evidence (oqe) traceable to permanent marking on the material
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 4820004114221

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SS845-2050884PC30 Naval Ship Systems Command
2640-354X3PC30 Electric Boat Corporation
2640-727X1PC7 Electric Boat Corporation
2641-744 ITEM 26 Electric Boat Corporation
2640-727X1PC7Q3 Naval Inventory Control Point
2640-354X3PC30Q3 Naval Inventory Control Point
2641-744 ITEM 26Q3 Naval Inventory Control Point
SS845-2050884PC30Q3 Naval Inventory Control Point
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