4820-00-935-1578 SEAT,VALVE Index 4820-00-935-1581 SEAT,VALVE

National Stock Number:
4820-00-935-1579

Federal Supply Class:
4820

National Item Identification Number:
009351579

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:
2640-373X1 PIECE 3496169ELECTRIC BOAT CORPORATION
2640-373X1PC34Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-373X1PC7DLRN96169ELECTRIC BOAT CORPORATION
2640-373X1PC7DLRNQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-390X3PIECE40DLRNQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-390X3PIECE4ODLRN96169ELECTRIC BOAT CORPORATION
2640-751PC9DLRN96169ELECTRIC BOAT CORPORATION
2640-751PC9DLRNQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
71201-88X3 PIECE 496169ELECTRIC BOAT CORPORATION
71201-88X3 PIECE 4Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-4385058 PIECE 680064NAVAL SHIP SYSTEMS COMMAND
SS845-2050958PC4080064NAVAL SHIP SYSTEMS COMMAND
SS845-205098PC40DLRNQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SSN671-515-2048156 PIECE 4DLRN80064NAVAL SHIP SYSTEMS COMMAND
SSN671-515-2048156PIECE4DLRNQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


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


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