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National Stock Number:
3040-01-389-6436
Federal Supply Class:
3040
National Item Identification Number:
013896436
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:
| 12385235 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | FIRST END DIAMETER | 1.2491 INCHES MINIMUM AND 1.2496 INCHES MAXIMUM | | FIRST END SPLINE MAJOR DIAMETER | 1.2441 INCHES NOMINAL | | FIRST END SPLINE MINOR DIAMETER | 1.1130 INCHES NOMINAL | | FIRST END SPLINE QUANTITY | 18 | | FIRST END STYLE | SPLINED (INVOLUTE) | | FIRST END PITCH DIAMETER | 1.1875 INCHES NOMINAL | | FIRST END PRESSURE ANGLE | 45.0 DEGREES NOMINAL | | LARGEST STEP DIAMETER | 1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 | | OVERALL LENGTH | 7.760 INCHES NOMINAL | | STEP QUANTITY | 8 |
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