3040-01-146-4885 SHAFT,SHOULDERED Index 3040-01-146-4887 SHAFT,SHOULDERED

National Stock Number:
3040-01-146-4886

Federal Supply Class:
3040

National Item Identification Number:
011464886

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:
709-486309480064NAVAL SHIP SYSTEMS COMMAND
709-4863094 ITEM 480064NAVAL SHIP SYSTEMS COMMAND
87832-166296169ELECTRIC BOAT CORPORATION
87832-1662 ITEM 496169ELECTRIC BOAT CORPORATION


Techincal Specification:
FIRST END STYLEINDENTED FLAT KEYWAY
MATERIALSTEEL COMP 304
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH63.0 MICROINCHES
FIRST END KEYWAY WIDTH0.1900 INCHES NOMINAL
FIRST END EXTERNAL KEYWAY LENGTH1.062 INCHES NOMINAL
FIRST END KEYWAY DEPTH0.112 INCHES NOMINAL
FIRST END DISTANCE FROM KEYWAY CENTER TO END0.688 INCHES NOMINAL
FIRST END DIAMETER0.7480 INCHES MINIMUM AND
0.7500 INCHES MAXIMUM
END SIMILARITYNOT IDENTICAL
SECOND END STYLETWO INDENTED FLAT KEYWAYS
SECOND END KEYWAY WIDTH0.1590 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH0.875 INCHES NOMINAL
SECOND END KEYWAY DEPTH0.078 INCHES NOMINAL
SECOND END DISTANCE FROM KEYWAY CENTER TO END0.595 INCHES NOMINAL
SECOND END DIAMETER1.0000 INCHES NOMINAL
SECOND END ANGLE BETWEEN KEYWAYS180.0 DEGREES NOMINAL
LARGEST STEP DIAMETER1.000 INCHES NOMINAL
OVERALL LENGTH4.375 INCHES NOMINAL
STEP QUANTITY2


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