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National Stock Number:
3040-00-446-4148
Federal Supply Class:
3040
National Item Identification Number:
004464148
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:
| 9139198 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.2349 INCHES NOMINAL | | FIRST END FLAT DEPTH | 0.0150 INCHES NOMINAL | | FIRST END FLAT LENGTH | 0.320 INCHES NOMINAL | | FIRST END STYLE | FLATTED | | LARGEST STEP DIAMETER | 0.250 INCHES NOMINAL | | OVERALL LENGTH | 3.980 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S763 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 416 | | SECOND END DIAMETER | 0.2349 INCHES NOMINAL | | SECOND END DISTANCE FROM END TO FLAT | 0.359 INCHES NOMINAL | | SECOND END GROOVED FLAT DEPTH | 0.015 INCHES NOMINAL | | SECOND END GROOVED FLAT LENGTH | 0.1800 INCHES NOMINAL | | SECOND END STYLE | FLAT GROOVED | | STEP QUANTITY | 2 | | SURFACE FINISH | 32.0 MICROINCHES |
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