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National Stock Number:
3040-01-108-5520
Federal Supply Class:
3040
National Item Identification Number:
011085520
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:
| 9289866 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.3779 INCHES MINIMUM AND 1.3783 INCHES MAXIMUM | | FIRST END SPLINE LENGTH | 1.450 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 1.3750 INCHES NOMINAL | | FIRST END SPLINE MINOR DIAMETER | 1.1820 INCHES MINIMUM AND 1.1830 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 10 | | FIRST END STYLE | SPLINED (STRAIGHT) | | LARGEST STEP DIAMETER | 2.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 E4130 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 | | OVERALL LENGTH | 8.040 INCHES NOMINAL | | SECOND END DIAMETER | 2.0000 INCHES NOMINAL | | SECOND END SPLINE LENGTH | 1.380 INCHES NOMINAL | | SECOND END SPLINE MAJOR DIAMETER | 1.0750 INCHES NOMINAL | | SECOND END SPLINE MINOR DIAMETER | 1.0740 INCHES NOMINAL | | SECOND END SPLINE QUANTITY | 10 | | SECOND END STYLE | SPLINED (STRAIGHT) | | SPECIAL FEATURES | 2 HOLES 1/4-20UNC-2B X 0.75 DEEP 0.620 C TO C FIRST END | | STEP QUANTITY | 3 | | SURFACE FINISH | 32.0 MICROINCHES |
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