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National Stock Number:
3040-01-153-1459
Federal Supply Class:
3040
National Item Identification Number:
011531459
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:
| 709-4684879 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 709-4684879 ITEM 9 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87832-1608 | 96169 | ELECTRIC BOAT CORPORATION | | 87832-1608 ITEM 9 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| SECOND END DISTANCE FROM KEYWAY CENTER TO END | 0.780 INCHES MINIMUM AND | | 0.785 INCHES MAXIMUM | | SECOND END DIAMETER | 0.7470 INCHES MINIMUM AND | | 0.7490 INCHES MAXIMUM | | LARGEST STEP DIAMETER | 1.185 INCHES MINIMUM AND | | 1.187 INCHES MAXIMUM | | OVERALL LENGTH | 25.130 INCHES NOMINAL | | STEP QUANTITY | 5 | | FIRST END STYLE | SQUARE (ROUND CORNERS) | | MATERIAL | NICKEL ALLOY 400 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | SURFACE FINISH | 63.0 MICROINCHES | | FIRST END DIAMETER | 0.8800 INCHES NOMINAL | | FIRST END WIDTH ACROSS FLATS | 0.550 INCHES MINIMUM AND | | 0.560 INCHES MAXIMUM | | FIRST END STEP LENGTH | 1.870 INCHES NOMINAL | | END SIMILARITY | NOT IDENTICAL | | SECOND END STYLE | INDENTED FLAT KEYWAY | | SECOND END KEYWAY WIDTH | 0.1880 INCHES MINIMUM AND | | 0.1900 INCHES MAXIMUM | | SECOND END EXTERNAL KEYWAY LENGTH | 1.000 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | SECOND END KEYWAY DEPTH | 0.112 INCHES NOMINAL |
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