4820-00-035-9638 DIAPHRAGM,VALVE,FLAT Index 4820-00-035-9655 SEAT,VALVE

National Stock Number:
4820-00-035-9649

Federal Supply Class:
4820

National Item Identification Number:
000359649

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:
P1481A70667ATLAS VALVE CO
P1481A-AP1T943ACME PRODUCTS & ENGINEERING INC
P7098A70667ATLAS VALVE CO
P7098A-0070667ATLAS VALVE CO


Techincal Specification:
BODY INSIDE DIAMETER1.877 INCHES MINIMUM AND 1.887 INCHES MAXIMUM
FLANGE DIAMETER2.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
MATERIALNICKEL OR COPPER ALLOY OVERALL
NOMINAL THREAD SIZE2.375 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG35.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.375 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL


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