1-321-802-5889

NSN 4820-01-548-5689

Valve Seat Insert

About this product

Zzzy criticality code justification, items that support a level i or subsafe critical system/componet that has undergone quality assurance during the acquisition process, requires objective quality evidence (oqe) traceable to permanet marking on the material, and cleaning, packaging, and marking iaw mil-std-1330 reference number differentiating characteristics, .

Manufacturer part number 7550478-264340501-51 for national stock number 4820015485689.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-548-5689.

  • MPN or Model

    7550478-264340501-51

  • 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
    Valve, ball 1in; valve, ball 1.5in
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Items that support a level i or subsafe critical system/componet that has undergone quality assurance during the acquisition process, requires objective quality evidence (oqe) traceable to permanet marking on the material, and cleaning, packaging, and marking iaw mil-std-1330
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 4820015485689

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7550478-264340501-51 Naval Sea Systems Command
2640-801X2 PC 45 Electric Boat Corporation
2643-405-01 ITEM 51 Electric Boat Corporation
264340501-51 Electric Boat Corporation
845-7285244 ITEM 51 Naval Sea Systems Command
G547-0002-264340501-51 Electric Boat Corporation
2640-801X2 PC 45VG Naval Inventory Control Point
2643-405-01 ITEM 51VG Naval Inventory Control Point
264340501-51VG Naval Inventory Control Point
845-7285244 ITEM 51VG Naval Inventory Control Point
G547-0002-264340501-51VG Naval Inventory Control Point
7550478-264340501-51VG Naval Inventory Control Point
2640-801X2 PC 45D0 Naval Inventory Control Point
2643-405-01 ITEM 51D0 Naval Inventory Control Point
264340501-51D0 Naval Inventory Control Point
845-7285244 ITEM 51D0 Naval Inventory Control Point
7550478-264340501-51D0 Naval Inventory Control Point
G547-0002-264340501-51D0 Naval Inventory Control Point
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