2815-01-073-5843 VALVE,POPPET,ENGINE Index 4820-01-073-5847 SEAT,VALVE

National Stock Number:
4820-01-073-5845

Federal Supply Class:
4820

National Item Identification Number:
010735845

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:
B188417062P J VALVES INC
D-186617062P J VALVES INC
D-1866 PIECE 13 3IN B11859HUNT VALVE COMPANY, INC.
D-1866 PIECE 13 3IN B17062P J VALVES INC
D1866 PIECE 1317062P J VALVES INC
D-1866 PIECE 13 3IN B34889HUNT VALVE COMPANY INC


Techincal Specification:
BODY INSIDE DIAMETER3.000 INCHES NOMINAL
FLANGE DIAMETER4.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.550 INCHES NOMINAL
HARDNESS RATING25.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE3.625 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESSIX WRENCHING NOTCHES AROUND OD OF FLANGES
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.335 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.416 INCHES NOMINAL


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