1-321-802-5889

NSN 4820-01-054-8977

Valve Seat Insert

About this product

Zzzy criticality code justification, item that supports a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process reference number differentiating characteristics, .

Manufacturer part number 2640-801X01 PIECE 28 for national stock number 4820010548977.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-054-8977.

  • MPN or Model

    2640-801X01 PIECE 28

  • 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.)
    6 lb
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Item that supports a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process
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 4820010548977

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-801X01 PIECE 28 Electric Boat Corporation
845-4687581 ITEM 12 Naval Ship Systems Command
2642-860-01 ITEM 12 Electric Boat Corporation
2640-801-01 PIECE 28 Electric Boat Corporation
2640-801-01 PIECE 28Q3 Naval Inventory Control Point
2640-801X01 PIECE 28Q3 Naval Inventory Control Point
2642-860-01 ITEM 12Q3 Naval Inventory Control Point
845-4687581 ITEM 12Q3 Naval Inventory Control Point
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