4820-00-943-7296 SEAT,VALVE Index 4820-00-943-7298 SEAT,VALVE

National Stock Number:
4820-00-943-7297

Federal Supply Class:
4820

National Item Identification Number:
009437297

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:
1236-5-1385130FLOWSERVE CORPORATION DIV FLOWSERVE US INC
1236-5PC1385130FLOWSERVE CORPORATION DIV FLOWSERVE US INC
1237-5BPC1384136ANCHOR/DARLING VALVE CO


Techincal Specification:
BODY INSIDE DIAMETER30.062 INCHES NOMINAL
OVERALL HEIGHT1.092 INCHES MINIMUM AND 1.102 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY A OVERALL
NOMINAL THREAD SIZE31.125 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG15.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESWELD ON 6 LUGS 0.375 INCH SQUARE,60 DEGREES APART ON INNER SURFACE
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.941 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH8 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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