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National Stock Number:
3040-00-451-8780
Federal Supply Class:
3040
National Item Identification Number:
004518780
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:
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | MATT | | END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7874 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 1.100 INCHES NOMINAL | | OVERALL LENGTH | 7.536 INCHES NOMINAL | | MATERIAL | STEEL COMP 416 | | SECOND END DIAMETER | 0.7874 INCHES NOMINAL | | SECOND END SPLINE LENGTH | 0.625 INCHES NOMINAL | | SECOND END SPLINE MAJOR DIAMETER | 0.4970 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | | SECOND END SPLINE MINOR DIAMETER | 0.3952 INCHES MINIMUM AND 0.4049 INCHES MAXIMUM | | SECOND END SPLINE QUANTITY | 11 | | SECOND END STYLE | SPLINED (STRAIGHT) | | STEP QUANTITY | 2 | | SURFACE FINISH | 63.0 MICROINCHES |
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