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National Stock Number: 3040-01-154-6863
Federal Supply Class: 3040
National Item Identification Number: 011546863
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:
520-4674701 | 53711 | NAVAL SEA SYSTEMS COMMAND | 520-4674701 ITEM 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 87611-1415 ITEM 7 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
FIRST END STYLE | PLAIN | MATERIAL | NICKEL COPPER ALLOY | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC ALL MATERIAL RESPONSES | SURFACE FINISH | 63.0 MICROINCHES | FIRST END DIAMETER | 3.5000 INCHES NOMINAL | END SIMILARITY | NOT IDENTICAL | SECOND END STYLE | TWO FLAT KEYWAYS | SECOND END KEYWAY WIDTH | 1.0040 INCHES NOMINAL | SECOND END EXTERNAL KEYWAY LENGTH | 5.005 INCHES NOMINAL | SECOND END KEYWAY DEPTH | 1.000 INCHES NOMINAL | SECOND END DIAMETER | 4.0680 INCHES NOMINAL | SECOND END ANGLE BETWEEN KEYWAYS | 90.0 DEGREES NOMINAL | LARGEST STEP DIAMETER | 4.500 INCHES NOMINAL | OVERALL LENGTH | 25.125 INCHES NOMINAL | STEP QUANTITY | 2 | SPECIAL FEATURES | THREE HOLES EQUALLY SPACED ON 2.250 IN. BOLT CIRCLE DIA |
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