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National Stock Number:
3040-01-089-9438
Federal Supply Class:
3040
National Item Identification Number:
010899438
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:
| 11020386 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.1260 INCHES NOMINAL | | FIRST END PITCH DIAMETER | 0.4583 INCHES NOMINAL | | FIRST END PRESSURE ANGLE | 30.0 DEGREES NOMINAL | | FIRST END SPLINE LENGTH | 0.5625 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.7500 INCHES NOMINAL | | FIRST END SPLINE MINOR DIAMETER | 0.5640 INCHES NOMINAL | | FIRST END SPLINE QUANTITY | 11 | | FIRST END STYLE | SPLINED (INVOLUTE) | | LARGEST STEP DIAMETER | 2.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1213 | | OVERALL LENGTH | 4.375 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO GROOVE | 0.8750 INCHES NOMINAL | | SECOND END GROOVE WIDTH | 0.0625 INCHES NOMINAL | | SECOND END DIAMETER | 1.4990 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED AND FLAT KEYWAY | | SECOND END KEYWAY WIDTH | 0.3770 INCHES NOMINAL | | STEP QUANTITY | 4 |
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