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National Stock Number: 3040-01-146-4886
Federal Supply Class: 3040
National Item Identification Number: 011464886
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:
709-4863094 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 709-4863094 ITEM 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 87832-1662 | 96169 | ELECTRIC BOAT CORPORATION | 87832-1662 ITEM 4 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
FIRST END STYLE | INDENTED FLAT KEYWAY | MATERIAL | STEEL COMP 304 | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE | SURFACE FINISH | 63.0 MICROINCHES | FIRST END KEYWAY WIDTH | 0.1900 INCHES NOMINAL | FIRST END EXTERNAL KEYWAY LENGTH | 1.062 INCHES NOMINAL | FIRST END KEYWAY DEPTH | 0.112 INCHES NOMINAL | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 0.688 INCHES NOMINAL | FIRST END DIAMETER | 0.7480 INCHES MINIMUM AND | | 0.7500 INCHES MAXIMUM | END SIMILARITY | NOT IDENTICAL | SECOND END STYLE | TWO INDENTED FLAT KEYWAYS | SECOND END KEYWAY WIDTH | 0.1590 INCHES NOMINAL | SECOND END EXTERNAL KEYWAY LENGTH | 0.875 INCHES NOMINAL | SECOND END KEYWAY DEPTH | 0.078 INCHES NOMINAL | SECOND END DISTANCE FROM KEYWAY CENTER TO END | 0.595 INCHES NOMINAL | SECOND END DIAMETER | 1.0000 INCHES NOMINAL | SECOND END ANGLE BETWEEN KEYWAYS | 180.0 DEGREES NOMINAL | LARGEST STEP DIAMETER | 1.000 INCHES NOMINAL | OVERALL LENGTH | 4.375 INCHES NOMINAL | STEP QUANTITY | 2 |
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