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National Stock Number:
3040-01-219-9244
Federal Supply Class:
3040
National Item Identification Number:
012199244
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:
| 77656-31X6 | 96169 | ELECTRIC BOAT CORPORATION | | 77656-31X6 PIECE 7 | 96169 | ELECTRIC BOAT CORPORATION | | SSN637-505-2143924 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-505-2143924 PIECE 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.9975 INCHES NOMINAL | | FIRST END SPLINE LENGTH | 2.000 INCHES NOMINAL | | FIRST END SPLINE MAJOR DIAMETER | 0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM | | FIRST END SPLINE MINOR DIAMETER | 0.8490 INCHES MINIMUM AND 0.8540 INCHES MAXIMUM | | FIRST END SPLINE QUANTITY | 10 | | FIRST END STYLE | SPLINED (STRAIGHT) | | LARGEST STEP DIAMETER | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM | | OVERALL LENGTH | 11.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SECOND END DIAMETER | 0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM | | SECOND END STEP LENGTH | 1.000 INCHES NOMINAL | | SECOND END STYLE | SQUARE (ROUND CORNERS) | | SECOND END WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | STEP QUANTITY | 4 | | SURFACE FINISH | 63.0 MICROINCHES |
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