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:
STYLE DESIGNATORDOUBLE FLANGED
OVERALL HEIGHT2.688 INCHES NOMINAL
BODY INSIDE DIAMETER2.000 INCHES MINIMUM AND
2.001 INCHES MAXIMUM
MATERIALSTEEL COMP 316L OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 MINIMUM AND
45.083 MAXIMUM
THREAD SERIES DESIGNATORUNS FIRST THREADED PORTION
UNS SECOND THREADED PORTION
NOMINAL THREAD SIZE2.625 INCHES FIRST THREADED PORTION
3.125 INCHES SECOND THREADED PORTION
THREAD QUANTITY PER INCH14 FIRST THREADED PORTION
14 SECOND THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
2A SECOND THREADED PORTION
THREAD LENGTH1.188 INCHES NOMINAL FIRST THREADED PORTION
1.250 INCHES NOMINAL SECOND THREADED PORTION
SPECIAL FEATURESHAS TWO LUGS 180DEG APART,0.375IN.X0.375IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE01343
DESIGN CONTROL REFERENCEB10393.002.108


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