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National Stock Number:
3040-00-085-7439
Federal Supply Class:
3040
National Item Identification Number:
000857439
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:
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM END TO GROOVE | 0.230 INCHES NOMINAL | | FIRST END DIAMETER | 0.4500 INCHES NOMINAL | | FIRST END GROOVE DIAMETER | 0.3800 INCHES NOMINAL | | FIRST END GROOVE WIDTH | 0.2400 INCHES NOMINAL | | FIRST END STYLE | CIRCULAR GROOVED | | LARGEST STEP DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 3.870 INCHES NOMINAL | | SECOND END DIAMETER | 0.4920 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM | | SECOND END INTERNAL THREAD LENGTH | 0.490 INCHES NOMINAL | | SECOND END STYLE | INTERNAL THREADED | | SPECIAL FEATURES | FIRS END STRAIGHT KNURL WITH 21 TEETH PER INCH ON CIRCUMFERENCE OF SHAFT DIAMETER,MAXIMUM DIAMETER OF SERRATIONS .460 | | STEP QUANTITY | 4 | | SURFACE FINISH | 16.0 MICROINCHES |
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