4820-00-816-5318 VALVE,BALL Index 4820-00-816-5321 VALVE,BALL

National Stock Number:
4820-00-816-5320

Federal Supply Class:
4820

National Item Identification Number:
008165320

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:
20-0923203670TYCO FIRE PRODUCTS LP
20-0953953154PORTLAND VALVE LLC
845-188983680064NAVAL SHIP SYSTEMS COMMAND
2640-08796169ELECTRIC BOAT CORPORATION
2640-087-796169ELECTRIC BOAT CORPORATION
2640-405X3PC596169ELECTRIC BOAT CORPORATION
845-1889836 PC 780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.244 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.872 INCHES MINIMUM AND
0.874 INCHES MAXIMUM
BODY INSIDE DIAMETER0.837 INCHES NOMINAL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SEAL ACCOMMODATION TYPEGROOVED


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