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National Stock Number:
3040-01-377-4000
Federal Supply Class:
3040
National Item Identification Number:
013774000
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:
| 6113610 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 0.8400 INCHES NOMINAL SECOND END | | FIRST END DIAMETER | 0.5860 INCHES MAXIMUM | | FIRST END SPLINE LENGTH | 1.1200 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.5810 INCHES MINIMUM | | FIRST END SPLINE MINOR DIAMETER | 0.4860 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 11 | | FIRST END STYLE | SPLINED (INVOLUTE) | | FIRST END PITCH DIAMETER | 0.5500 INCHES NOMINAL | | FIRST END PRESSURE ANGLE | 30.0 DEGREES NOMINAL | | LARGEST STEP DIAMETER | 1.7810 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 | | OVERALL LENGTH | 5.8850 INCHES NOMINAL | | SECOND END GROOVE DIAMETER | 1.1901 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.1250 INCHES NOMINAL | | SECOND END KEYWAY DEPTH | 0.0940 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.1880 INCHES NOMINAL | | SECOND END DIAMETER | 1.3750 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO GROOVE | 0.4540 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 0.5790 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED | | SPECIAL FEATURES | SECOND END THREADS ARE 1.375-18NEF-2A | | STEP QUANTITY | 3 | | SURFACE FINISH | 125.0 MICROINCHES |
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