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National Stock Number:
3040-01-221-5611
Federal Supply Class:
3040
National Item Identification Number:
012215611
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:
| SSN593-520-1862113 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SSN593-520-1862113 PIECE 15 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SSN612-520-1945961 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SSN612-520-1945961 PIECE 15 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 2.4920 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 2.492 INCHES NOMINAL | | OVERALL LENGTH | 25.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SECOND END DISTANCE FROM KEYWAY CENTER TO END | 1.8125 INCHES NOMINAL | | SECOND END EXTERNAL KEYWAY LENGTH | 3.250 INCHES NOMINAL | | SECOND END ANGLE BETWEEN KEYWAYS | 135.0 DEGREES NOMINAL | | SECOND END DIAMETER | 1.9600 INCHES NOMINAL | | SECOND END STYLE | TWO INDENTED FLAT KEYWAYS | | SECOND END KEYWAY DEPTH | 0.2187 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.5000 INCHES NOMINAL | | STEP QUANTITY | 3 | | SURFACE FINISH | 63.0 MICROINCHES |
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