3040-01-251-8396 SHAFT,SHOULDERED Index 3040-01-251-8398 SHAFT,SHOULDERED

National Stock Number:
3040-01-251-8397

Federal Supply Class:
3040

National Item Identification Number:
012518397

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:
521018603679ROSENBLATT M AND SON INC
521018653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
EXTERNAL KEYWAY LENGTH2.185 INCHES NOMINAL FIRST END
EXTERNAL KEYWAY LENGTH3.080 INCHES NOMINAL SECOND END
FIRST END DIAMETER2.2511 INCHES NOMINAL
FIRST END STYLEFLAT KEYWAY
FIRST END KEYWAY DEPTH0.284 INCHES NOMINAL
FIRST END KEYWAY WIDTH0.5010 INCHES NOMINAL
LARGEST STEP DIAMETER3.450 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4340
OVERALL LENGTH28.750 INCHES NOMINAL
SECOND END DIAMETER2.4997 INCHES NOMINAL
SECOND END STYLEFLAT KEYWAY
SECOND END KEYWAY DEPTH0.3567 INCHES NOMINAL
SECOND END KEYWAY WIDTH0.6260 INCHES NOMINAL
STEP QUANTITY8
SURFACE FINISH63.0 MICROINCHES
SPECIAL FEATURESTWO THREADED HOLES IN FIRST END 3/8-24UNF-2B X 1/2 IN.DP 180 DEG APART


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