4820-00-411-2685 SEAT AND RING,VALVE Index 4820-00-411-2688 SEAT,VALVE

National Stock Number:
4820-00-411-2687

Federal Supply Class:
4820

National Item Identification Number:
004112687

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular 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.


Manufacturer Information:
203709 PIECE 743689HUNTINGTON INGALLS INC
203709 PIECE 7Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-087PC7Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-402X3PC5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-087 PIECE 796169ELECTRIC BOAT CORPORATION
2640-402X3PC596169ELECTRIC BOAT CORPORATION
2640-404X3PC28Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-787X2 PIECE5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-787X3 PIECE 36Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2 PIECE 5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2 PIECE596169ELECTRIC BOAT CORPORATION
2640-404X3PC2896169ELECTRIC BOAT CORPORATION
2640-787X3 PIECE 3696169ELECTRIC BOAT CORPORATION
2640-787X2 PIECE 596169ELECTRIC BOAT CORPORATION
2641-405-01PC 5,64Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
516-477908 IT10 Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
56-97-0603Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
73865-47X3PC4Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558738 ITEM 50 AND 51Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2050947PC5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558738 ITEM 50 AND 5153711NAVAL SEA SYSTEMS COMMAND
516-477908 IT1080064NAVAL SHIP SYSTEMS COMMAND
SS845-2050947PC580064NAVAL SHIP SYSTEMS COMMAND
2641-405-01PC 5,6496169ELECTRIC BOAT CORPORATION
56-97-060396169ELECTRIC BOAT CORPORATION
73865-47X3PC496169ELECTRIC BOAT CORPORATION


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS


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