9390-01-222-5656 NONMETALLIC SPECIAL SHAPED SECTI Index 4320-01-222-5658 PUMP,CENTRIFUGAL

National Stock Number:
4810-01-222-5657

Federal Supply Class:
4810

National Item Identification Number:
012225657

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:
820-2179925-353711NAVAL SEA SYSTEMS COMMAND
820-2179925-380064NAVAL SHIP SYSTEMS COMMAND
820-4385098-1953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS


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