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National Stock Number:
3040-01-291-5850
Federal Supply Class:
3040
National Item Identification Number:
012915850
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:
| 12268240 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7520 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 1.250 INCHES NOMINAL | | OVERALL LENGTH | 7.440 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 | | SECOND END DIAMETER | 0.9048 INCHES NOMINAL | | SECOND END PITCH DIAMETER | 0.8750 INCHES NOMINAL | | SECOND END PRESSURE ANGLE | 30.0 DEGREES NOMINAL | | SECOND END SPLINE LENGTH | 0.9370 INCHES NOMINAL | | SECOND END SPLINE MAJOR DIAMETER | 0.9048 INCHES NOMINAL | | SECOND END SPLINE MINOR DIAMETER | 0.8085 INCHES NOMINAL | | SECOND END SPLINE QUANTITY | 28 | | SECOND END STYLE | SPLINED (INVOLUTE) | | STEP QUANTITY | 7 | | SURFACE FINISH | 16.0 MICROINCHES |
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