1-321-802-5889

NSN 4820-00-824-5687

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 255584 PIECE 12 for national stock number 4820008245687.

Datasheet

  • Product description

    Valve Seat NSN 4820-00-824-5687.

  • MPN or Model

    255584 PIECE 12

  • 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.)
    0.2 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 4820008245687

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
255584 PIECE 12 Huntington Ingalls Incorporated
508-4674154 ITEM 15 Naval Ship Systems Command
508-4674155 ITEM 15 Naval Ship Systems Command
2640-801-1 PIECE 12 Electric Boat Corporation
2640-801X01 PC 12 Electric Boat Corporation
2640-801X1 ITEM 12 Electric Boat Corporation
2642-857-01 ITEM 27 Electric Boat Corporation
7383858-264285701-27 Naval Sea Systems Command
7383858-H5532003-043A Naval Sea Systems Command
7550479-H5532003-043A Naval Sea Systems Command
H547-0001-264285701-27 Electric Boat Corporation
H547-0001-H5532003-043A Electric Boat Corporation
H5532003-43A Electric Boat Corporation
264080101-0012 Electric Boat Corporation
2640-857X1PC7 Electric Boat Corporation
564-7286740-43 Naval Sea Systems Command
G547-0003-H5532003-043A Electric Boat Corporation
H553-2003-43 Electric Boat Corporation
508-4674154 ITEM 15Q3 Naval Inventory Control Point
508-4674155 ITEM 15Q3 Naval Inventory Control Point
564-7286740-43Q3 Naval Inventory Control Point
255584 PIECE 12Q3 Naval Inventory Control Point
2640-801X1 ITEM 12Q3 Naval Inventory Control Point
2640-801-1 PIECE 12Q3 Naval Inventory Control Point
2640-801X01 PC 12Q3 Naval Inventory Control Point
2640-857X1PC7Q3 Naval Inventory Control Point
264080101-0012Q3 Naval Inventory Control Point
2642-857-01 ITEM 27Q3 Naval Inventory Control Point
7383858-264285701-27Q3 Naval Inventory Control Point
7383858-H5532003-043AQ3 Naval Inventory Control Point
7550479-H5532003-043AQ3 Naval Inventory Control Point
G547-0003-H5532003-043AQ3 Naval Inventory Control Point
H547-0001-264285701-27Q3 Naval Inventory Control Point
H547-0001-H5532003-043AQ3 Naval Inventory Control Point
H5532003-43AQ3 Naval Inventory Control Point
H553-2003-43Q3 Naval Inventory Control Point
MD-71GGQ3 Naval Inventory Control Point
MD-71GG Ronci Machine Co
Stock Check
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