4820-01-040-0602 SEAT,VALVE Index 5985-01-040-0604 SWITCH,RADIO FREQUENCY TRANSMISS

National Stock Number:
4820-01-040-0603

Federal Supply Class:
4820

National Item Identification Number:
010400603

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:
5000S4824F1385602PIECE2-10IN80064NAVAL SHIP SYSTEMS COMMAND
803-217791753711NAVAL SEA SYSTEMS COMMAND
803-2177917-10-0253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER9.938 INCHES NOMINAL
BODY OUTSIDE DIAMETER11.188 INCHES NOMINAL
OVERALL HEIGHT0.938 INCHES MINIMUM AND 0.943 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B 164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-288 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE11.188 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESFOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
STYLE DESIGNATORPLAIN
SURFACE TREATMENTCOPPER SEAT
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.938 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION


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