3040-01-293-8551 SHAFT,SHOULDERED Index 2920-01-293-8553 STARTER,ENGINE,ELECTRICAL

National Stock Number:
3040-01-293-8552

Federal Supply Class:
3040

National Item Identification Number:
012938552

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:
500104853711NAVAL SEA SYSTEMS COMMAND
803-5001048 PIECE 6653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.9994 INCHES NOMINAL
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER1.812 INCHES NOMINAL
OVERALL LENGTH6.810 INCHES NOMINAL
MATERIALSTEEL COMP 4140
SECOND END DIAMETER0.7500 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH0.750 INCHES NOMINAL
SECOND END STYLEEXTERNAL THREADED
STEP QUANTITY4
SURFACE FINISH32.0 MICROINCHES


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