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National Stock Number:
3040-01-156-9992
Federal Supply Class:
3040
National Item Identification Number:
011569992
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:
| 77643-42X9 | 96169 | ELECTRIC BOAT CORPORATION | | 77643-42X9 PIECE 17 | 96169 | ELECTRIC BOAT CORPORATION | | SSN637-501-2159964 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN637-501-2159964 PIECE 17 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END FLAT DEPTH | 0.0310 INCHES NOMINAL | | FIRST END FLAT LENGTH | 0.2500 INCHES NOMINAL | | FIRST END DIAMETER | 1.7500 INCHES NOMINAL | | FIRST END STYLE | FLATTED | | LARGEST STEP DIAMETER | 1.750 INCHES NOMINAL | | OVERALL LENGTH | 2.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC ALL MATERIAL RESPONSES | | MATERIAL | NICKEL ALLOY | | SECOND END DIAMETER | 1.0000 INCHES NOMINAL | | SECOND END INTERNAL THREAD LENGTH | 0.500 INCHES NOMINAL | | SECOND END STYLE | INTERNAL THREADED | | SPECIAL FEATURES | FIRST END COUNTERBORED 0.750 IN.DIA,0.500 IN. DEEP | | STEP QUANTITY | 3 | | SURFACE FINISH | 63.0 MICROINCHES |
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