4820-01-216-2305 SEAT,VALVE Index 5985-01-216-2307 SWITCH,RADIO FREQUENCY TRANSMISS

National Stock Number:
4820-01-216-2306

Federal Supply Class:
4820

National Item Identification Number:
012162306

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:
803-217791780064NAVAL SHIP SYSTEMS COMMAND
803-2177917-3-0280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER2.938 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.688 INCHES NOMINAL
OVERALL HEIGHT0.630 INCHES NOMINAL
MATERIALNICKEL ALLOY B OVERALL
NOMINAL THREAD SIZE3.688 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESLEVEL I REQUIREMENTS DO NOT APPLY
STYLE DESIGNATORPLAIN
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.625 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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