3040-01-211-4256 SHAFT,SHOULDERED Index 3040-01-213-7787 WEIGHT,COUNTERBALANCE

National Stock Number:
3040-01-212-5271

Federal Supply Class:
3040

National Item Identification Number:
012125271

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:
826203419200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.2498 INCHES NOMINAL
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER0.688 INCHES NOMINAL
OVERALL LENGTH2.390 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE
SPECIAL FEATURES2 HOLES THRU SHOULDER WITH A DIA OF 0.1093; SHAFT ALSO HAS A RECTANGULAR APPERATURE 0.437IN BY 0.294IN
STEP QUANTITY1
SURFACE FINISH32.0 MICROINCHES


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