3120-00-831-0810 BUSHING,SLEEVE Index 1660-00-831-0823 DUCT,AIR CONDITIONE

National Stock Number:
4820-00-831-0813

Federal Supply Class:
4820

National Item Identification Number:
008310813

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:
8U8017-360029WOODWARD HRT, INC.


Techincal Specification:
BODY INSIDE DIAMETER0.163 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
FLANGE DIAMETER0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.240 NOMINAL MILS AND 0.260 NOMINAL CENTIMETERS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A213 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
SEAL ACCOMMODATION TYPEGROOVED
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURES2 SLOTS IN FACE
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
UNDER FLANGE HEIGHT0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM


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