5310-01-207-5771 NUT,SELF-LOCKING,HEXAGON Index 4820-01-207-5773 VALVE,CHECK

National Stock Number:
4820-01-207-5772

Federal Supply Class:
4820

National Item Identification Number:
012075772

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:
803-138554180064NAVAL SHIP SYSTEMS COMMAND
803-1385541-082-0480064NAVAL SHIP SYSTEMS COMMAND
803-1385541-082-2680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER8.875 INCHES NOMINAL
FLANGE DIAMETER10.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP B CQFMKN FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE10.000 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.875 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT1.062 INCHES NOMINAL


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