4820-01-449-7978 INDICATOR,VALVE OPENING Index 3020-01-449-7980 GEAR,INTERNAL

National Stock Number:
4820-01-449-7979

Federal Supply Class:
4820

National Item Identification Number:
014497979

Description:
VALVE,PLUG

Detail:
A valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also VALVE, SEATLESS and COCK, PLUG.


Manufacturer Information:
845-7108102-OB-19653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS


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