2920-01-208-9272 GENERATOR,ENGINE ACCESSORY Index 5985-01-208-9274 SWITCH,RADIO FREQUENCY TRANSMISS

National Stock Number:
4820-01-208-9273

Federal Supply Class:
4820

National Item Identification Number:
012089273

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:
803-138563780064NAVAL SHIP SYSTEMS COMMAND
803-1385637-10X-0880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER10.125 INCHES NOMINAL
FLANGE DIAMETER11.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.406 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE10.750 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.875 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL


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