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National Stock Number:
3040-01-252-0732
Federal Supply Class:
3040
National Item Identification Number:
012520732
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:
| 5210311 | 03679 | ROSENBLATT M AND SON INC | | 5210311 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 2.185 INCHES NOMINAL FIRST END | | EXTERNAL KEYWAY LENGTH | 3.000 INCHES NOMINAL SECOND END | | FIRST END DIAMETER | 2.2511 INCHES NOMINAL | | FIRST END STYLE | FLAT KEYWAY | | FIRST END KEYWAY DEPTH | 0.284 INCHES NOMINAL | | FIRST END KEYWAY WIDTH | 0.5010 INCHES NOMINAL | | LARGEST STEP DIAMETER | 3.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4340 | | OVERALL LENGTH | 28.750 INCHES NOMINAL | | SECOND END KEYWAY DEPTH | 0.3567 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.6260 INCHES NOMINAL | | SECOND END DIAMETER | 2.4997 INCHES NOMINAL | | SECOND END STYLE | FLAT KEYWAY | | STEP QUANTITY | 9 | | SURFACE FINISH | 63.0 MICROINCHES | | SPECIAL FEATURES | TWO THREADED HOLES IN FIRST END 3/8-24UNF-2B X 1/2 IN. DP 180 DEG APART |
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