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National Stock Number:
3040-01-378-5920
Federal Supply Class:
3040
National Item Identification Number:
013785920
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:
| 70351-28204 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70351-28204-042 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | LARGEST STEP DIAMETER | 3.220 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 7075 | | OVERALL LENGTH | 20.060 INCHES NOMINAL | | SPECIAL FEATURES | SLOTTED FLANGE ONE END; INTERNAL SPLINE 2ND END | | STEP QUANTITY | 3 |
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