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National Stock Number:
3040-01-440-6230
Federal Supply Class:
3040
National Item Identification Number:
014406230
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:
| 70700-77533-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.0000 INCHES NOMINAL | | FIRST END STEP LENGTH | 0.8100 INCHES NOMINAL | | FIRST END STYLE | HEXAGONAL | | FIRST END WIDTH ACROSS FLATS | 0.7465 INCHES NOMINAL | | LARGEST STEP DIAMETER | 1.0000 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 10.230 INCHES NOMINAL | | SPECIAL FEATURES | BODY THD 1.000-16UN-2A PER MIL-S-7742 | | SECOND END DIAMETER | 0.6250 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO GROOVE | 0.6570 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.0930 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 0.6570 INCHES NOMINAL | | SECOND END GROOVE DIAMETER | 0.5300 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | STEP QUANTITY | 3 | | SURFACE FINISH | 16.0 MICROINCHES |
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