7430-01-057-5916 TYPEWRITER-PUNCH-READER,TAPE Index 4310-01-057-5920 PISTON,COMPRESSOR

National Stock Number:
4820-01-057-5917

Federal Supply Class:
4820

National Item Identification Number:
010575917

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:
260PWS114SEAT63686THE WALWORTH COMPANY
7030048263686THE WALWORTH COMPANY
C8946-156PCSEAT63686THE WALWORTH COMPANY
DS2140-1BPC16-114NC63686THE WALWORTH COMPANY
SC3549 1 1-4IN63686THE WALWORTH COMPANY


Techincal Specification:
BODY INSIDE DIAMETER1.065 INCHES NOMINAL
FLANGE DIAMETER1.805 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE1.640 INCHES SINGLE THREADED PORTION
SPECIAL FEATURES4 WRENCHING LUGS ON FLANGE END
SEAT ANGLE IN DEG75.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
UNDER FLANGE HEIGHT0.408 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.250 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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