4820-00-231-0047 VALVE,LINEAR,DIRECTIONAL CONTROL Index 4820-00-231-0050 PISTON,VALVE

National Stock Number:
4820-00-231-0049

Federal Supply Class:
4820

National Item Identification Number:
002310049

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:
414X2050E9N0DAVID BROWN HYDRAULICS INC DBA HYDRECO
U4631975160DEERE & CO
U4631975755DEERE & COMPANY


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER1.156 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.000 INCHES NOMINAL
BODY INSIDE DIAMETER0.465 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.561 INCHES NOMINAL
UNDER FLANGE HEIGHT0.625 INCHES NOMINAL
MATERIALSTEEL OVERALL
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND
55.0 ROCKWELL C MAXIMUM BODY
50.0 ROCKWELL C MINIMUM AND
55.0 ROCKWELL C MAXIMUM FACE
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL


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