3040-01-138-0287 SHAFT,SHOULDERED Index 3040-01-138-0289 SHAFT,SHOULDERED

National Stock Number:
3040-01-138-0288

Federal Supply Class:
3040

National Item Identification Number:
011380288

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:
77C709656P103538LOCKHEED MARTIN CORPORATION


Techincal Specification:
LARGEST STEP DIAMETER0.4995 INCHES MINIMUM AND 0.4997 INCHES MAXIMUM
OVERALL LENGTH6.187 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 416,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL CORROSION RESISTING
STEP QUANTITY10
SURFACE FINISH32.0 MICROINCHES


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