4810-01-191-6587 ROCKER,BOOTED,VALVE Index 4820-01-191-6589 BODY,VALVE

National Stock Number:
4820-01-191-6588

Federal Supply Class:
4820

National Item Identification Number:
011916588

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:
194-07636-00009647AQUA-CHEM INC.
194-07636-0000EXU3AQUA-CHEM, INC.
194-763609647AQUA-CHEM INC.
194-765909647AQUA-CHEM INC.
322-756109647AQUA-CHEM INC.
322-7561 PIECE 809647AQUA-CHEM INC.


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER1.312 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER0.250 INCHES NOMINAL FIRST STEP
0.750 INCHES NOMINAL SECOND STEP
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164-61,CLB ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
NOMINAL THREAD SIZE1.250 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURESW/TWO ALIGNMENT HOLES ON FLANGE


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