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National Stock Number:
3040-01-369-9146
Federal Supply Class:
3040
National Item Identification Number:
013699146
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:
| 123-6225708 PC 84 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7500 INCHES NOMINAL | | FIRST END DISTANCE FROM END TO GROOVE | 0.4062 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.3125 INCHES NOMINAL | | FIRST END GROOVE DIAMETER | 0.1850 INCHES NOMINAL | | FIRST END GROOVE WIDTH | 0.0938 INCHES NOMINAL | | FIRST END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | LARGEST STEP DIAMETER | 1.0000 INCHES NOMINAL | | OVERALL LENGTH | 10.8750 INCHES NOMINAL | | MATERIAL | STEEL | | SECOND END EXTERNAL THREAD LENGTH | 0.3125 INCHES NOMINAL | | SECOND END GROOVE DIAMETER | 0.1850 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.0938 INCHES NOMINAL | | SECOND END DIAMETER | 0.5060 INCHES MAXIMUM | | SECOND END DISTANCE FROM END TO GROOVE | 10.4688 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | SPECIAL FEATURES | END ONE HAS THREADS 1/8 UNC-2A OFFCENTER;BOTH ENDS HAVE THREADS 1/4-20 UNC | | STEP QUANTITY | 13 | | SURFACE FINISH | 63.0 MICROINCHES |
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