5340-00-872-7922 LEAF,BUTT HINGE Index 5310-00-872-7933 WASHER,KEY

National Stock Number:
4810-00-872-7931

Federal Supply Class:
4810

National Item Identification Number:
008727931

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:
K208-00041808080KEMP/REAL-TIME LABORATORIES


Techincal Specification:
BODY OUTSIDE DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BODY STEPPED INSIDE DIAMETER0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM SECOND STEP
BODY STEPPED INSIDE DIAMETER0.297 INCHES NOMINAL FIRST STEP
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
OVERALL HEIGHT0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CLASS440C FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
SEAL ACCOMMODATION TYPEGROOVED
SEAT ANGLE IN DEG3.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
SURFACE TREATMENTPASSIVATE OVERALL


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