4820-01-289-1601 SEAT,VALVE Index 4820-01-289-1603 SEAT,VALVE

National Stock Number:
4820-01-289-1602

Federal Supply Class:
4820

National Item Identification Number:
012891602

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:
803-438453680064NAVAL SHIP SYSTEMS COMMAND
803-4384536-85XX-4680064NAVAL SHIP SYSTEMS COMMAND
803-4384536-85XX-8680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.688 INCHES NOMINAL
OVERALL HEIGHT0.781 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE2.625 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG15.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.281 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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