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National Stock Number:
3040-01-280-4123
Federal Supply Class:
3040
National Item Identification Number:
012804123
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:
| C-1282-85-41 | 67121 | MCELROY MARINE MACHINERY |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 3.500 INCHES NOMINAL FIRST END | | EXTERNAL KEYWAY LENGTH | 3.500 INCHES NOMINAL SECOND END | | FIRST END DIAMETER | 2.1148 INCHES NOMINAL | | FIRST END STYLE | FLAT KEYWAY | | FIRST END KEYWAY DEPTH | 0.655 INCHES NOMINAL | | FIRST END KEYWAY WIDTH | 0.6550 INCHES NOMINAL | | LARGEST STEP DIAMETER | 4.500 INCHES NOMINAL | | OVERALL LENGTH | 44.9687 INCHES NOMINAL | | MATERIAL | STEEL COMP 1045 | | SECOND END DIAMETER | 2.9900 INCHES NOMINAL | | SECOND END KEYWAY DEPTH | 0.750 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.7500 INCHES NOMINAL | | SECOND END STYLE | FLAT KEYWAY | | STEP QUANTITY | 6 |
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