4820-01-073-5848 SEAT,VALVE Index 4730-01-073-5851 COUPLING HALF,QUICK DISCONNECT

National Stock Number:
4820-01-073-5849

Federal Supply Class:
4820

National Item Identification Number:
010735849

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:
2620-90296169ELECTRIC BOAT CORPORATION
2620-902 ASSYC1-2INPC496169ELECTRIC BOAT CORPORATION
803-217793453711NAVAL SEA SYSTEMS COMMAND
803-2177934-REV.C-3XX-1853711NAVAL SEA SYSTEMS COMMAND
8032177934-X3XX-1853711NAVAL SEA SYSTEMS COMMAND
SS845-188958780064NAVAL SHIP SYSTEMS COMMAND
SS845-1889587 ASSYC1-2INPC480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER0.937 INCHES NOMINAL
BODY INSIDE DIAMETER0.471 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.122 INCHES NOMINAL
UNDER FLANGE HEIGHT0.316 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-N-281 CLASS B FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-N-288 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG15.000 NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE0.766 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.222 INCHES NOMINAL SINGLE THREADED PORTION


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