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National Stock Number:
3040-01-491-8540
Federal Supply Class:
3040
National Item Identification Number:
014918540
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:
| 124-4497994 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 124-4497994 PC 17 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FIRST END STYLE | HEXAGONAL | | MATERIAL | STEEL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222 MIL SPEC SINGLE MATERIAL RESPONSE | | FIRST END DIAMETER | 2.1250 INCHES NOMINAL | | FIRST END WIDTH ACROSS FLATS | 2.172 INCHES NOMINAL | | FIRST END STEP LENGTH | 2.250 INCHES NOMINAL | | END SIMILARITY | NOT IDENTICAL | | SECOND END STYLE | WOODRUFF KEYWAY | | SECOND END KEYWAY WIDTH | 0.6250 INCHES NOMINAL | | SECOND END EXTERNAL KEYWAY LENGTH | 3.750 INCHES NOMINAL | | SECOND END DISTANCE FROM KEYWAY CENTER TO END | 2.125 INCHES NOMINAL | | SECOND END DIAMETER | 2.5060 INCHES MINIMUM AND | | 2.5080 INCHES MAXIMUM | | SECOND END STEP LENGTH | 16.000 INCHES NOMINAL | | LARGEST STEP DIAMETER | 2.506 INCHES MINIMUM AND | | 2.508 INCHES MAXIMUM | | OVERALL LENGTH | 18.250 INCHES NOMINAL | | STEP QUANTITY | 2 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHAFT |
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