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National Stock Number:
3040-01-194-7963
Federal Supply Class:
3040
National Item Identification Number:
011947963
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:
| 77643-75X5 | 96169 | ELECTRIC BOAT CORPORATION | | 77643-75X5 PIECE 21 | 96169 | ELECTRIC BOAT CORPORATION | | SNN637-501-2143882 PIECE 21 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-501-2143882 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-501-2143882 PIECE 21 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7475 INCHES NOMINAL | | FIRST END SPLINE LENGTH | 1.500 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.7470 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM | | FIRST END SPLINE MINOR DIAMETER | 0.6340 INCHES MINIMUM AND 0.6380 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 10 | | FIRST END STYLE | SPLINED (STRAIGHT) | | LARGEST STEP DIAMETER | 1.500 INCHES NOMINAL | | OVERALL LENGTH | 8.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS A,COLD DRAWN FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SECOND END DIAMETER | 0.8750 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO GROOVE | 1.000 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 1.000 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.0625 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | STEP QUANTITY | 4 | | SURFACE FINISH | 63.0 MICROINCHES |
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