3040-01-373-7077 SHAFT,STRAIGHT Index 3040-01-373-7079 SHAFT,SHOULDERED

National Stock Number:
3040-01-373-7078

Federal Supply Class:
3040

National Item Identification Number:
013737078

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:
B-511841-145038151MARATHON ELECTRIC, LLC
B-511841-14509S407L & S ELECTRIC INC
B-SS50468838151MARATHON ELECTRIC, LLC


Techincal Specification:
END SIMILARITYNOT IDENTICAL
EXTERNAL KEYWAY LENGTH4.2500 INCHES NOMINAL FIRST END
FIRST END DIAMETER2.3750 INCHES MAXIMUM
FIRST END STYLEFLAT KEYWAY
FIRST END KEYWAY DEPTH0.6200 INCHES NOMINAL
FIRST END KEYWAY WIDTH0.6200 INCHES NOMINAL
OVERALL LENGTH32.5000 INCHES NOMINAL
MATERIALSTEEL
SECOND END STYLEFLAT KEYWAY


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