3040-01-297-0281 SHAFT,SHOULDERED Index 3020-01-297-0283 CHAIN,ROLLER

National Stock Number:
3040-01-297-0282

Federal Supply Class:
3040

National Item Identification Number:
012970282

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:
754/2/36185/00016236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
754/2/36185/000K2523EATON LIMITED


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.4380 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.4330 INCHES NOMINAL
FIRST END STYLEEXTERNAL THREADED
LARGEST STEP DIAMETER1.0240 INCHES NOMINAL
OVERALL LENGTH4.5130 INCHES NOMINAL
MATERIALSTEEL
SECOND END DIAMETER0.6220 INCHES NOMINAL
SECOND END PITCH DIAMETER0.6000 INCHES NOMINAL
SECOND END PRESSURE ANGLE30.0 DEGREES NOMINAL
SECOND END SPLINE LENGTH0.6100 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.6220 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.5625 INCHES NOMINAL
SECOND END SPLINE QUANTITY29
SECOND END STYLESPLINED (INVOLUTE)
STEP QUANTITY11
SPECIAL FEATURESROUNDED GROOVE LOCATED SECOND END MIDDLE OF SPLINES,0.300 IN. FROM END OF SHAFT TO MIDDLE OF GROOVE


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