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National Stock Number:
3040-01-444-4341
Federal Supply Class:
3040
National Item Identification Number:
014444341
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:
| 581-6405751 FIND AHCA C2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6111404-C2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | DF2011-237 FIND AHCA C2 | 43689 | HUNTINGTON INGALLS INC | | 6405751 | 53711 | NAVAL SEA SYSTEMS COMMAND | | C611-1404 FIND AHCA C2 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 2.5000 INCHES NOMINAL | | FIRST END STYLE | SQUARE (ROUND CORNERS) | | FIRST END WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | | FIRST END STEP LENGTH | 2.1360 INCHES NOMINAL | | LARGEST STEP DIAMETER | 2.500 INCHES NOMINAL | | OVERALL LENGTH | 14.880 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SECOND END HOLE DIAMETER | 0.2500 INCHES NOMINAL | | SECOND END DIAMETER | 0.8750 INCHES NOMINAL | | SECOND END DISTANCE FROM HOLE CENTER TO END | 0.4415 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 1.180 INCHES NOMINAL | | SECOND END STYLE | CROSS DRILLED AND EXTERNALLY THREADED | | STEP QUANTITY | 6 | | SURFACE FINISH | 63.0 MICROINCHES |
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