4820-01-323-2077 SEAT,VALVE Index 4730-01-323-2079 PLUG,TUBE FITTING,THREADED

National Stock Number:
4820-01-323-2078

Federal Supply Class:
4820

National Item Identification Number:
013232078

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:
639729253711NAVAL SEA SYSTEMS COMMAND
6397292-253711NAVAL SEA SYSTEMS COMMAND
803-6397292-253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER5.812 INCHES NOMINAL
BODY OUTSIDE DIAMETER8.248 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIALSTEEL COMP 17-4PH OVERALL
OVERALL HEIGHT0.750 INCHES NOMINAL
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORFAUCET


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