3040-01-246-7842 SHAFT,SHOULDERED Index 3040-01-246-7844 SHAFT,SHOULDERED

National Stock Number:
3040-01-246-7843

Federal Supply Class:
3040

National Item Identification Number:
012467843

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:
1395AS229-205606GENERAL DYNAMICS-OTS, INC.
1395AS229-230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END EXTERNAL THREAD LENGTH0.4200 INCHES NOMINAL
FIRST END DIAMETER0.5000 INCHES MINIMUM
FIRST END STYLEEXTERNAL THREADED
LARGEST STEP DIAMETER2.400 INCHES NOMINAL
MATERIALSTEEL COMP 4340 OR STEEL COMP 4130 OR STEEL COMP 4140
OVERALL LENGTH12.390 INCHES NOMINAL
SPECIAL FEATURESSPROCKET TYPE SHOULDERS,3
STEP QUANTITY11


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