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National Stock Number:
3040-01-493-8979
Federal Supply Class:
3040
National Item Identification Number:
014938979
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:
| 596-7409743 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 596-7409743-20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B831-6100-20 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 3.000 INCHES MINIMUM AND 3.010 INCHES MAXIMUM FIRST END | | FIRST END DIAMETER | 1.2492 INCHES MINIMUM AND 1.2496 INCHES MAXIMUM | | FIRST END KEYWAY WIDTH | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM | | FIRST END STYLE | SPLINED (STRAIGHT) | | OVERALL LENGTH | 10.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE | | SECOND END DIAMETER | 1.4370 INCHES NOMINAL | | SECOND END SPLINE QUANTITY | 22 | | SECOND END STYLE | WOODRUFF KEYWAY | | SECOND END SPLINE LENGTH | 2.500 INCHES NOMINAL | | SECOND END SPLINE MAJOR DIAMETER | 1.5560 INCHES NOMINAL | | SPECIAL FEATURES | MATERIAL IS NICKLE COPPER ALLUMINUM |
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