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National Stock Number:
3040-01-289-3594
Federal Supply Class:
3040
National Item Identification Number:
012893594
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:
| 70351-08115 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70351-08115-103 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70351-08115-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.3750 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 7.1125 INCHES MINIMUM AND 7.1235 INCHES MAXIMUM | | FIRST END SPLINE MINOR DIAMETER | 6.9375 INCHES MINIMUM AND 6.9425 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 112 | | LARGEST STEP DIAMETER | 10.250 INCHES NOMINAL | | OVERALL LENGTH | 11.844 INCHES NOMINAL | | MATERIAL | STEEL | | SECOND END DIAMETER | 0.3750 INCHES NOMINAL | | STEP QUANTITY | 10 |
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