4820-01-118-2588 SEAT,VALVE Index 4820-01-118-2590 SEAT,VALVE

National Stock Number:
4820-01-118-2589

Federal Supply Class:
4820

National Item Identification Number:
011182589

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:
2632-902X396169ELECTRIC BOAT CORPORATION
2632-902X3 PIECE996169ELECTRIC BOAT CORPORATION
SS845-244519180064NAVAL SHIP SYSTEMS COMMAND
SS845-2445191 PIECE9 3IN80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER2.943 INCHES NOMINAL
OVERALL HEIGHT0.445 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE3.500 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION


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