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National Stock Number:
3040-01-377-4001
Federal Supply Class:
3040
National Item Identification Number:
013774001
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:
| 6113523 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM END TO GROOVE | 0.5000 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.5000 INCHES NOMINAL | | FIRST END GROOVE DIAMETER | 0.3160 INCHES NOMINAL | | FIRST END GROOVE WIDTH | 0.1250 INCHES NOMINAL | | FIRST END DIAMETER | 0.4360 INCHES NOMINAL | | FIRST END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | LARGEST STEP DIAMETER | 0.6840 INCHES NOMINAL | | MATERIAL | STEEL COMP 440C | | OVERALL LENGTH | 10.1800 INCHES NOMINAL | | SECOND END GROOVE DIAMETER | 0.5150 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.0790 INCHES NOMINAL | | SECOND END DIAMETER | 0.6840 INCHES NOMINAL | | SECOND END DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS | 0.1730 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO GROOVE | 0.0500 INCHES NOMINAL | | SECOND END STYLE | TWO CIRCULAR GROOVES | | SPECIAL FEATURES | FIRST END THREADS ARE .4375-20 UNF-2A-.500 LENGTH | | STEP QUANTITY | 4 |
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