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National Stock Number:
3040-01-220-0970
Federal Supply Class:
3040
National Item Identification Number:
012200970
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:
| 77656-31X4 | 96169 | ELECTRIC BOAT CORPORATION | | 77656-31X4 PIECE 4 | 96169 | ELECTRIC BOAT CORPORATION | | SSN637-505-2143922 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-505-2143922 PIECE 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.8090 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 0.997 INCHES MINIMUM AND 0.998 INCHES MAXIMUM | | OVERALL LENGTH | 8.188 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS A,CD FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SECOND END DIAMETER | 0.8490 INCHES MINIMUM AND 0.8540 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 | 3 | | SURFACE FINISH | 63.0 MICROINCHES |
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