3040-01-240-1046 SHAFT,SHOULDERED Index 4820-01-240-1048 PARTS KIT,PRESSURE REGULATING VA

National Stock Number:
3040-01-240-1047

Federal Supply Class:
3040

National Item Identification Number:
012401047

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:
609-194356781316PORTSMOUTH NAVAL SHIPYARD
609-1943567 PIECE 481316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER1.2500 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.5625 INCHES NOMINAL
FIRST END STYLEEXTERNAL THREADED
LARGEST STEP DIAMETER2.250 INCHES NOMINAL
OVERALL LENGTH20.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A COLD DRAWN FED SPEC SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
SECOND END DIAMETER1.0000 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH1.1875 INCHES NOMINAL
SECOND END STYLEEXTERNAL THREADED
STEP QUANTITY7
SURFACE FINISH63.0 MICROINCHES


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