4820-00-353-4742 HEAD,SAFETY,PRESSURE RELIEF Index 2910-00-353-4768 TANK,FUEL,ENGINE

National Stock Number:
4820-00-353-4753

Federal Supply Class:
4820

National Item Identification Number:
003534753

Description:
STEM,NEEDLE VALVE

Detail:
A METALLIC, NEEDLE SHAPED ITEM HAVING A ONE-PIECE STEM THREADED FOR SECURING TO, OR POSITIONING INTO, A MATING PART. THE POINT MAY BE OF VARIOUS ANGLES OR SHAPES, SUCH AS CONICAL OR TAPERED, TO CORRESPOND WITH THE MATING SEAT. THE ITEM IS DESIGNED FOR THE FINE CONTROL FLOW OR RESTRICTION OF LIQUIDS OR GASES IN A GIVEN SYSTEM. IT MAY BE PROVIDED WITH A KNURLED HEAD FOR ROTATION BY THUMBS AND FINGERS, OR BE DRIVEN WITH EITHER A WRENCH, HANDLE, OR INSERTED DRIVER. EXCLUDES VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.


Manufacturer Information:
2640-633X1PC3496169ELECTRIC BOAT CORPORATION


Techincal Specification:
LARGEST OUTSIDE DIAMETER0.257 INCHES NOMINAL
OVERALL LENGTH1.205 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
STEM ACTUATING END TYPESQUARE


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