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National Stock Number:
3040-00-472-4443
Federal Supply Class:
3040
National Item Identification Number:
004724443
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:
| 8449929 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7780 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 0.778 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OVERALL LENGTH | 3.230 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 0.336 INCHES NOMINAL | | SECOND END DIAMETER | 0.2300 INCHES NOMINAL | | SECOND END STYLE | EXTERNAL THREADED | | SPECIAL FEATURES | 2 THD CROSS DRILLED HOLES,NO.8-32 UNC-2B,1 CROSS DRILLED HOLE,0.054 IN. MIN.-0.070 IN. MAX. DIA,ALL 3 HOLES LOCATED ON FIRST END STYLE,EXTERNAL INVOLUTE SPLINE DATA,TYPE OFFIT FILLET ROOT SIDE FIT,10 TEETH,0.4167 PITCH DIA.,0.3333 IN. MIN.- 0.4583 IN.MAX. DIA.,LOCATED ON SECOND STEP FROM SECOND END STYLE | | STEP QUANTITY | 5 | | SURFACE FINISH | 125.0 MICROINCHES |
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