6220-00-482-8448 LENS,LIGHT Index 5962-00-482-8450 INDICATOR,LIGHT

National Stock Number:
4820-00-482-8449

Federal Supply Class:
4820

National Item Identification Number:
004828449

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:
58D6772914GRIMES AEROSPACE COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.155 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.208 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
FLANGE DIAMETER0.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.140 INCHES NOMINAL
MATERIALALUMINUM ALLOY 6061 OVERALL
NOMINAL THREAD SIZE12.000 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG0.500 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-250/8 ALLOY 6061 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.280 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNC SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.140 INCHES NOMINAL


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