5340-01-194-7876 POST,ELECTRICAL-MECHANICAL EQUIP Index 3040-01-194-7878 SHAFT,SHOULDERED

National Stock Number:
3040-01-194-7877

Federal Supply Class:
3040

National Item Identification Number:
011947877

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 2296169ELECTRIC BOAT CORPORATION
SSN637-501-214387580064NAVAL SHIP SYSTEMS COMMAND
SSN637-501-2143875 PIECE 2280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END SPLINE LENGTH1.750 INCHES NOMINAL
FIRST END STYLESPLINED (STRAIGHT)
LARGEST STEP DIAMETER1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM
OVERALL LENGTH10.063 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
SECOND END DIAMETER0.1250 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH0.937 INCHES NOMINAL
SECOND END STYLEEXTERNAL THREADED
STEP QUANTITY3
SURFACE FINISH125.0 MICROINCHES


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