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National Stock Number:
3040-01-138-0290
Federal Supply Class:
3040
National Item Identification Number:
011380290
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:
| 520-4674711 ITEM 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM FIRST END | | FIRST END DIAMETER | 1.5000 INCHES NOMINAL | | FIRST END KEYWAY DEPTH | 0.207 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | FIRST END KEYWAY WIDTH | 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM | | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 0.907 INCHES MINIMUM AND 0.912 INCHES MAXIMUM | | FIRST END STYLE | INDENTED FLAT KEYWAY | | LARGEST STEP DIAMETER | 1.250 INCHES NOMINAL | | OVERALL LENGTH | 35.220 INCHES NOMINAL | | SECOND END DISTANCE FROM HOLE CENTER TO END | 0.292 INCHES MINIMUM AND 0.403 INCHES MAXIMUM | | SECOND END EXTERNAL THREAD LENGTH | 0.875 INCHES NOMINAL | | SECOND END HOLE DEPTH | 0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | SECOND END DIAMETER | 0.7000 INCHES NOMINAL | | SECOND END STYLE | CROSS DRILLED AND EXTERNALLY THREADED | | SECOND END HOLE DIAMETER | 0.2420 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM | | STEP QUANTITY | 4 | | SURFACE FINISH | 125.0 MICROINCHES |
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