3040-01-253-9428 SHAFT,SHOULDERED Index 3020-01-253-9430 CHAIN,ROLLER

National Stock Number:
3040-01-253-9429

Federal Supply Class:
3040

National Item Identification Number:
012539429

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:
11775810138ASTRONAUTICS CORPORATION OF AMERICA
117758-00310138ASTRONAUTICS CORPORATION OF AMERICA


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.0934 INCHES NOMINAL
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER0.1248 INCHES NOMINAL
OVERALL LENGTH1.340 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 303
STEP QUANTITY3
SURFACE FINISH32.0 MICROINCHES


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