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National Stock Number:
3040-00-073-0185
Federal Supply Class:
3040
National Item Identification Number:
000730185
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:
| 8432933 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 1.750 INCHES NOMINAL | | FIRST END EXTERNAL KEYWAY LENGTH | 0.635 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.750 INCHES NOMINAL | | FIRST END DIAMETER | 0.6240 INCHES NOMINAL | | FIRST END KEYWAY WIDTH | 0.1250 INCHES NOMINAL | | FIRST END STYLE | EXTERNALLY THREADED AND WOODRUFF KEYWAY | | LARGEST STEP DIAMETER | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 4.850 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-11415 MIL SPEC ALL MATERIAL RESPONSES | | MATERIAL | STEEL | | SECOND END ANGLE BETWEEN KEYWAYS | 180.0 DEGREES NOMINAL | | SECOND END EXTERNAL KEYWAY LENGTH | 0.750 INCHES NOMINAL | | SECOND END DIAMETER | 0.4990 INCHES NOMINAL | | SECOND END STYLE | TWO FLAT KEYWAYS | | SECOND END KEYWAY DEPTH | 0.054 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.0950 INCHES NOMINAL | | STEP QUANTITY | 3 | | SURFACE FINISH | 32.0 MICROINCHES |
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