2815-01-204-0587 INSERT,ENGINE VALVE SEAT Index 4820-01-204-0589 SEAT,VALVE

National Stock Number:
4820-01-204-0588

Federal Supply Class:
4820

National Item Identification Number:
012040588

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:
803-217793480064NAVAL SHIP SYSTEMS COMMAND
803-2177934-X2XX-1980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.516 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.766 INCHES NOMINAL
FLANGE DIAMETER0.937 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.122 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,CLASS A OR B,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.644 INCHES NOMINAL


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