4820-00-334-3828 DISK,VALVE Index 4410-00-334-3830 DISK ASSY,VALVE

National Stock Number:
4820-00-334-3829

Federal Supply Class:
4820

National Item Identification Number:
003343829

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:
184928364546DISCOVERY CORPORATION
4820PL12449479009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
C607886184GRISWOLD INDUSTRIES
C6078E86184GRISWOLD INDUSTRIES


Techincal Specification:
BODY INSIDE DIAMETER0.750 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.203 INCHES NOMINAL
MATERIALNICKEL ALLOY R-405 OVERALL
NOMINAL THREAD SIZE0.938 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG5.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.360 INCHES MINIMUM AND 0.391 INCHES MAXIMUM SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.360 INCHES MINIMUM AND 0.391 INCHES MAXIMUM


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