4820-01-431-6685 DISK,VALVE Index 4820-01-431-6687 SEAT,VALVE

National Stock Number:
4820-01-431-6686

Federal Supply Class:
4820

National Item Identification Number:
014316686

Description:
STEM,FLUID VALVE

Detail:
An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes STEM, FAUCET; and STEM, NEEDLE VALVE.


Manufacturer Information:
698346853711NAVAL SEA SYSTEMS COMMAND
6983468 PIECE 7953711NAVAL SEA SYSTEMS COMMAND
803-6983468-PC07953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
LARGEST OUTSIDE DIAMETER1.497 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B446 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY 625
OVERALL LENGTH15.560 INCHES NOMINAL
SPECIAL FEATURESEXTERNALLY THREADED BOTH ENDS; 1.125-7UNC-2A
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNED6983468
VALVE SIZE FOR WHICH DESIGNED8.000 INCHES
VALVE TYPE FOR WHICH DESIGNEDLIFT-CHECK


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