4730-00-630-5605 PLUG,MACHINE Index 4820-00-630-5607 DISK,VALVE

National Stock Number:
4820-00-630-5606

Federal Supply Class:
4820

National Item Identification Number:
006305606

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:
20689PC2014959CRANE CO DIV VALVE DIV
ND107214959CRANE CO DIV VALVE DIV


Techincal Specification:
STYLE DESIGNATORDOUBLE FLANGED
OVERALL HEIGHT1.250 INCHES NOMINAL
BODY INSIDE DIAMETER3.500 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351 GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG43.000 NOMINAL
THREAD SERIES DESIGNATORUNS FIRST THREADED PORTION
UNS SECOND THREADED PORTION
NOMINAL THREAD SIZE4.012 INCHES FIRST THREADED PORTION
4.337 INCHES SECOND THREADED PORTION
THREAD QUANTITY PER INCH11-1/2 FIRST THREADED PORTION
11-1/2 SECOND THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
2A SECOND THREADED PORTION
THREAD LENGTH0.562 INCHES NOMINAL FIRST THREADED PORTION
0.688 INCHES NOMINAL SECOND THREADED PORTION


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