4730-01-215-4397 TEE,TUBE Index 5120-01-215-4399 SOCKET ASSEMBLIES

National Stock Number:
4820-01-215-4398

Federal Supply Class:
4820

National Item Identification Number:
012154398

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:
20189 PIECE 501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
B10393.002.10801343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
BODY INSIDE DIAMETER2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZY
OVERALL HEIGHT2.688 INCHES NOMINAL
MATERIALSTEEL COMP 316L OVERALL
NOMINAL THREAD SIZE2.625 INCHES FIRST THREADED PORTION
NOMINAL THREAD SIZE3.125 INCHES SECOND THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SEAT ANGLE IN DEG45.000 MINIMUM AND 45.083 MAXIMUM
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESHAS TWO LUGS 180DEG APART,0.375IN.X0.375IN
STYLE DESIGNATORDOUBLE FLANGED
THREAD CLASS2A FIRST THREADED PORTION
THREAD CLASS2A SECOND THREADED PORTION
THREAD LENGTH1.188 INCHES NOMINAL FIRST THREADED PORTION
THREAD LENGTH1.250 INCHES NOMINAL SECOND THREADED PORTION
THREAD QUANTITY PER INCH14 FIRST THREADED PORTION
THREAD QUANTITY PER INCH14 SECOND THREADED PORTION
THREAD SERIES DESIGNATORUNS FIRST THREADED PORTION
THREAD SERIES DESIGNATORUNS SECOND THREADED PORTION


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