4820-00-523-3065 SEAT,VALVE Index 2810-00-523-3095 BEARING,SLEEVE

National Stock Number:
4820-00-523-3070

Federal Supply Class:
4820

National Item Identification Number:
005233070

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:
35967P3028839TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
SA35967P03051660SUPERIOR AIR PARTS INC


Techincal Specification:
BODY INSIDE DIAMETER1.665 INCHES MINIMUM AND 1.675 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.826 INCHES MINIMUM AND 1.827 INCHES MAXIMUM
FLANGE DIAMETER2.0610 INCHES MINIMUM AND 2.0625 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FACE
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM BODY
MATERIALSTEEL OVERALL
SEAL ACCOMMODATION TYPEGROOVED
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
TAPER MAJOR DIAMETER1.826 INCHES MINIMUM AND 1.827 INCHES MAXIMUM
TAPER MINOR DIAMETER1.824 INCHES MINIMUM AND 1.825 INCHES MAXIMUM
TAPER LENGTH0.241 INCHES MINIMUM AND 0.247 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.303 INCHES MINIMUM AND 0.309 INCHES MAXIMUM


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