4921-01-064-0398 SHAFT,STRAIGHT Index 4820-01-064-0404 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-064-0399

Federal Supply Class:
4820

National Item Identification Number:
010640399

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:
N-722221013METREX VALVE CORP.


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-870 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.500 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG8.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
UNDER FLANGE HEIGHT0.547 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.380 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
FLANGE SEAT TO DISK END HEIGHT0.219 INCHES NOMINAL
FLANGE DIAMETER2.031 INCHES NOMINAL
BODY INSIDE DIAMETER0.953 INCHES NOMINAL


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