3040-01-194-6747 SHAFT,SHOULDERED Index 3040-01-194-6749 HUB,BODY

National Stock Number:
3040-01-194-6748

Federal Supply Class:
3040

National Item Identification Number:
011946748

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:
77643-74 X 296169ELECTRIC BOAT CORPORATION
77643-74 X 2 PIECE 3096169ELECTRIC BOAT CORPORATION
SSN637-501-214387580064NAVAL SHIP SYSTEMS COMMAND
SSN637-501-2143875 PIECE 3080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.8750 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.938 INCHES NOMINAL
FIRST END STYLEEXTERNAL THREADED
LARGEST STEP DIAMETER1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM
OVERALL LENGTH11.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 LCASS A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
STEP QUANTITY3
SURFACE FINISH125.0 MICROINCHES


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