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National Stock Number:
3040-01-147-0005
Federal Supply Class:
3040
National Item Identification Number:
011470005
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:
| 123-4642962 ITEM 6 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 36-06-7844 | 96169 | ELECTRIC BOAT CORPORATION | | 4642962A-0003 | 96169 | ELECTRIC BOAT CORPORATION | | 4642962A-0006 | 96169 | ELECTRIC BOAT CORPORATION | | 87434-2503 ITEM 6 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | FIRST END DIAMETER | 2.7500 INCHES NOMINAL | | FIRST END STYLE | INTERNAL THREADED | | FIRST END INTERNAL THREAD LENGTH | 4.000 INCHES NOMINAL | | LARGEST STEP DIAMETER | 2.750 INCHES NOMINAL | | OVERALL LENGTH | 28.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A,FORM 1 FED SPEC ALL MATERIAL RESPONSES | | MATERIAL | NICKEL ALLOY | | SPECIAL FEATURES | BOTH ENDS 1.750-5 UNC-3B THREADED; 10.620 IN. FROM SECOND END 2.250 IN. SQUARE HOLE | | STEP QUANTITY | 3 | | SURFACE FINISH | 125.0 MICROINCHES |
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