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National Stock Number:
3040-01-123-8844
Federal Supply Class:
3040
National Item Identification Number:
011238844
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:
| 520-4674729 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 520-4674729 ITEM 2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87615-2011 | 96169 | ELECTRIC BOAT CORPORATION | | 87615-2011 ITEM 2 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM | | FIRST END SPLINE LENGTH | 2.000 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM | | FIRST END SPLINE MINOR DIAMETER | 0.8440 INCHES MINIMUM AND 0.8540 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 10 | | FIRST END STYLE | SPLINED (STRAIGHT) | | LARGEST STEP DIAMETER | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | OVERALL LENGTH | 20.830 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 1.190 INCHES NOMINAL | | SECOND END DIAMETER | 0.6250 INCHES NOMINAL | | SECOND END STYLE | EXTERNAL THREADED | | STEP QUANTITY | 9 | | SURFACE FINISH | 32.0 MICROINCHES |
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