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National Stock Number:
3040-01-447-6125
Federal Supply Class:
3040
National Item Identification Number:
014476125
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:
| 2018-12 FN 14 | 43689 | HUNTINGTON INGALLS INC | | 518-5794763 ITEM 14 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5794763 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.7500 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 1.1250 INCHES NOMINAL | | FIRST END STYLE | EXTERNAL THREADED | | LARGEST STEP DIAMETER | 1.7320 INCHES NOMINAL | | OVERALL LENGTH | 3.8750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A,HF OR CD,ANL,AH FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY AND COPPER ALLOY | | SECOND END DIAMETER | 0.9990 INCHES NOMINAL | | SECOND END WIDTH ACROSS FLATS | 1.5000 INCHES NOMINAL | | SECOND END STEP LENGTH | 0.6094 INCHES NOMINAL | | SECOND END STYLE | HEXAGONAL | | STEP QUANTITY | 3 | | SURFACE FINISH | 63.0 MICROINCHES |
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