2920-01-174-5064 GENERATOR,ENGINE ACCESSORY Index 5365-01-174-5066 PLUG,MACHINE THREAD

National Stock Number:
4820-01-174-5065

Federal Supply Class:
4820

National Item Identification Number:
011745065

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
803-1385541-122-0480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
OVERALL HEIGHT2.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE13.750 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH1.250 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION


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