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National Stock Number:
3040-01-398-1988
Federal Supply Class:
3040
National Item Identification Number:
013981988
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:
| DAA7252D715 | 81205 | THE BOEING COMPANY | | DAA7252D715-001 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.3750 INCHES NOMINAL | | FIRST END STEP LENGTH | 1.380 INCHES NOMINAL | | FIRST END STYLE | SQUARE (ROUND CORNERS) | | FIRST END WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL | | LARGEST STEP DIAMETER | 1.132 INCHES NOMINAL | | OVERALL LENGTH | 11.320 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | SECOND END DIAMETER | 1.2810 INCHES NOMINAL | | SECOND END SPLINE MAJOR DIAMETER | 1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM | | SECOND END SPLINE MINOR DIAMETER | 1.2470 INCHES NOMINAL | | SECOND END SPLINE QUANTITY | 32 | | SECOND END STYLE | SPLINED (INVOLUTE) | | SECOND END PITCH DIAMETER | 1.3333 INCHES NOMINAL | | SECOND END PRESSURE ANGLE | 30.0 DEGREES NOMINAL | | SECOND END SPLINE LENGTH | 0.450 INCHES NOMINAL | | STEP QUANTITY | 3 |
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