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National Stock Number: 3040-01-317-8947
Federal Supply Class: 3040
National Item Identification Number: 013178947
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:
| 54742 | 25511 | NORTHERN LINE MACHINE DIV OF COMMENCEMENT INTL CORP |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 5.8770 INCHES MINIMUM AND 5.8880 INCHES MAXIMUM | | FIRST END EXTERNAL KEYWAY LENGTH | 1.3120 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 1.7500 INCHES NOMINAL | | FIRST END KEYWAY DEPTH | 0.2810 INCHES NOMINAL | | FIRST END KEYWAY WIDTH | 0.6250 INCHES NOMINAL | | FIRST END STYLE | EXTERNALLY THREADED AND FLAT KEYWAY | | LARGEST STEP DIAMETER | 6.126 INCHES MINIMUM AND 6.127 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 38.750 INCHES NOMINAL | | SECOND END DIAMETER | 3.9870 INCHES MINIMUM AND 3.9980 INCHES MAXIMUM | | SECOND END INTERNAL THREAD LENGTH | 2.8750 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 2.3750 INCHES NOMINAL | | SECOND END STYLE | EXTERNALLY AND INTERNALLY THREADED | | STEP QUANTITY | 9 | | SURFACE FINISH | 32.0 MICROINCHES |
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