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National Stock Number:
3040-01-194-7878
Federal Supply Class:
3040
National Item Identification Number:
011947878
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:
| 77643-74-X 2 | 96169 | ELECTRIC BOAT CORPORATION | | 77643-74-X 2 PIECE 23 | 96169 | ELECTRIC BOAT CORPORATION | | 77643-74X2 PC 23 | 1E534 | SWISS PRECISION PRODUCTS, INC. | | SSN637-501-2143875 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-501-2143875 PIECE 23 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | FIRST END DIAMETER | 0.8750 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.938 INCHES NOMINAL | | FIRST END STYLE | EXTERNAL THREADED | | LARGEST STEP DIAMETER | 1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM | | OVERALL LENGTH | 10.938 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | STEP QUANTITY | 3 | | SURFACE FINISH | 125.0 MICROINCHES |
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