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National Stock Number:
3040-01-221-3607
Federal Supply Class:
3040
National Item Identification Number:
012213607
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.
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Manufacturer Information:
| 199780 | 79938 | EMERSON ELECTRIC CO U S ELECTRICAL MOTORS DIV |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.1800 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 2.056 INCHES NOMINAL | | OVERALL LENGTH | 21.3906 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1045 HR RED NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL CORROSION RESISTING | | SECOND END EXTERNAL KEYWAY LENGTH | 1.750 INCHES NOMINAL | | SECOND END DIAMETER | 0.8745 INCHES NOMINAL | | SECOND END STYLE | FLAT KEYWAYS AND INTERNALLY THREADED | | SECOND END INTERNAL THREAD LENGTH | 0.750 INCHES NOMINAL | | SECOND END KEYWAY DEPTH | 0.0937 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.1875 INCHES NOMINAL | | STEP QUANTITY | 8 | | SURFACE FINISH | 63.0 MICROINCHES |
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