Part Number: 2640-405X3PIECE4

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CONDITION:
NS
ELECTRIC BOAT CORPORATION96169
NAVAL INVENTORY CONTROL POINT MECHANICSBURG3950
ELECTRIC BOAT CORPORATION96169
NAVAL INVENTORY CONTROL POINT MECHANICSBURG3950
NAVAL SHIP SYSTEMS COMMAND80064
NAVAL INVENTORY CONTROL POINT MECHANICSBURG3950
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING HE ACQUISTION PROCESS, REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL, AND CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330
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.