1560-00-468-0836 SEAL,TORQUEMETER Index 4820-00-468-0838 DISK,VALVE

National Stock Number:
4820-00-468-0837

Federal Supply Class:
4820

National Item Identification Number:
004680837

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:
1603-285PC3481316PORTSMOUTH NAVAL SHIPYARD
1612-285PC3481316PORTSMOUTH NAVAL SHIPYARD
2R293PC3451729DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS
2R302PC3451729DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS
490722PC3453711NAVAL SEA SYSTEMS COMMAND
490722PC3480064NAVAL SHIP SYSTEMS COMMAND
490731PC3453711NAVAL SEA SYSTEMS COMMAND
490731PC3480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER3.780 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.489 INCHES NOMINAL
FLANGE DIAMETER4.812 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.418 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
SEAT RADIUS2.073 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL
SPECIAL FEATURESFLANGE MTG,4 BOLT HOLES 0.435 IN. DIA ON A 5.535 IN. BC DIA
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.830 INCHES NOMINAL


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