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National Stock Number:
3040-01-073-9722
Federal Supply Class:
3040
National Item Identification Number:
010739722
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:
| 12274216 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | FIRST END DIAMETER | 0.3750 INCHES NOMINAL | | FIRST END PITCH DIAMETER | 0.3333 INCHES NOMINAL | | FIRST END PRESSURE ANGLE | 45.0 DEGREES NOMINAL | | FIRST END SPLINE LENGTH | 2.250 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.3750 INCHES NOMINAL | | FIRST END SPLINE MINOR DIAMETER | 0.2917 INCHES NOMINAL | | FIRST END SPLINE QUANTITY | 8 | | FIRST END STYLE | SPLINED (INVOLUTE) | | LARGEST STEP DIAMETER | 0.500 INCHES NOMINAL | | OVERALL LENGTH | 3.280 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA322 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA331 ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 | | SECOND END DIAMETER | 0.5000 INCHES NOMINAL | | SECOND END STYLE | PLAIN | | SPECIAL FEATURES | FIRST END TAPERS 0.120 IN TO 0.375 IN DIA; 0.500 IN LG | | STEP QUANTITY | 1 | | SURFACE FINISH | 63.0 MICROINCHES |
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