3040-01-449-7108 SHAFT,SHOULDERED Index 4820-01-449-7110 STEM,NEEDLE VALVE

National Stock Number:
3040-01-449-7109

Federal Supply Class:
3040

National Item Identification Number:
014497109

Description:
SHAFT,SHOULDERED

Detail:
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.


Manufacturer Information:
517782353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.0300 INCHES NOMINAL
FIRST END DIAMETER0.0930 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.0500 INCHES NOMINAL
FIRST END GROOVE WIDTH0.0700 INCHES NOMINAL
FIRST END STYLECIRCULAR GROOVED
LARGEST STEP DIAMETER0.1860 INCHES NOMINAL
OVERALL LENGTH1.0450 INCHES NOMINAL
MATERIALCOPPER ALLOY
STEP QUANTITY5
SPECIAL FEATURESSECOND END TAPERED WITHOUT FLAT AT 60 DEG


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