4820-01-110-0143 SEAT,VALVE Index 4820-01-110-0145 SEAT,VALVE

National Stock Number:
4820-01-110-0144

Federal Supply Class:
4820

National Item Identification Number:
011100144

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:
803-138554180064NAVAL SHIP SYSTEMS COMMAND
803-1385541 PIE80064NAVAL SHIP SYSTEMS COMMAND
803-1385541-051-0480064NAVAL SHIP SYSTEMS COMMAND
803-1385541-05X-0480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
OVERALL HEIGHT1.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE6.750 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
THREAD CLASS2A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION


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