1660-00-909-9576 VALVE ASSEMBLY Index 1660-00-909-9578 SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
4820-00-909-9577

Federal Supply Class:
4820

National Item Identification Number:
009099577

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:
110427-259364HONEYWELL INTERNATIONAL INC.
110427-270210HONEYWELL INTERNATIONAL INC.
110427-272599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
110427-299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
STYLE DESIGNATORFAUCET
FLANGE DIAMETER0.579 INCHES MINIMUM AND
0.584 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.205 INCHES MINIMUM AND
0.215 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.910 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER0.117 INCHES MINIMUM AND
0.118 INCHES MAXIMUM FIRST STEP
0.200 INCHES MINIMUM AND
0.205 INCHES MAXIMUM SECOND STEP
0.311 INCHES MINIMUM AND
0.317 INCHES MAXIMUM THIRD STEP
0.339 INCHES MINIMUM AND
0.343 INCHES MAXIMUM FOURTH STEP
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH36 SINGLE THREADED PORTION
THREAD LENGTH0.650 INCHES NOMINAL SINGLE THREADED PORTION
THE MANUFACTURERS DATA
MANUFACTURERS CODE59364
DESIGN CONTROL REFERENCE110427-2


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