4820-00-037-3169 SEAT,VALVE Index 5342-00-037-3171 RETAINER

National Stock Number:
4810-00-037-3170

Federal Supply Class:
4810

National Item Identification Number:
000373170

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:
35967P528839TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
SA25967P00551660SUPERIOR AIR PARTS INC


Techincal Specification:
BODY INSIDE DIAMETER1.665 INCHES MINIMUM AND 1.675 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.801 INCHES MINIMUM AND 1.802 INCHES MAXIMUM
FLANGE DIAMETER2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
FSC APPLICATION DATAAIRCAFT ENGINE 0-470-A
HARDNESS RATING30.017 ROCKWELL C MINIMUM AND 40.017 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SEAL ACCOMMODATION TYPEGROOVED
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
TAPER MAJOR DIAMETER1.801 INCHES MINIMUM AND 1.802 INCHES MAXIMUM
TAPER MINOR DIAMETER1.799 INCHES MINIMUM AND 1.800 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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