3020-00-451-6678 PULLEY,GROOVE Index 3040-00-451-6681 SHAFT,SHOULDERED

National Stock Number:
3040-00-451-6679

Federal Supply Class:
3040

National Item Identification Number:
004516679

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:
262300880064NAVAL SHIP SYSTEMS COMMAND
2623008A9271GORIZIANE GROUP SPA


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.5000 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.590 INCHES NOMINAL
FIRST END STYLEEXTERNAL THREADED
FSC APPLICATION DATAFAN AND HOUSING,ENGINE COOLING
LARGEST STEP DIAMETER1.747 INCHES MINIMUM AND 1.753 INCHES MAXIMUM
OVERALL LENGTH5.110 INCHES NOMINAL
MATERIALSTEEL COMP 303
STEP QUANTITY3
SURFACE FINISH16.0 MICROINCHES


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