5340-01-543-7463 SEAT,HELICAL COMPRESSION SPRING Index 5945-01-543-7468 LINK,SOLENOID

National Stock Number:
4820-01-543-7464

Federal Supply Class:
4820

National Item Identification Number:
015437464

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:
MC1800276050EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING


Techincal Specification:
BODY OUTSIDE DIAMETER0.483 INCHES MINIMUM AND 0.484 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
FLANGE DIAMETER0.483 INCHES MINIMUM AND 0.484 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.073 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
HARDNESS RATING89.3 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
MATERIALSTEEL COMP 440C OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT, UPPER
PROPRIETARY CHARACTERISTICSPACS
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG108.000 MINIMUM AND 112.000 MAXIMUM
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.423 INCHES MINIMUM AND 0.447 INCHES MAXIMUM


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