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National Stock Number:
3040-00-085-3551
Federal Supply Class:
3040
National Item Identification Number:
000853551
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:
| 8519969 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END EXTERNAL KEYWAY LENGTH | 0.860 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.548 INCHES NOMINAL | | FIRST END DIAMETER | 0.6855 INCHES NOMINAL | | FIRST END KEYWAY WIDTH | 0.6355 INCHES NOMINAL | | FIRST END KEYWAY DEPTH | 0.090 INCHES NOMINAL | | FIRST END STYLE | EXTERNALLY THREADED AND FLAT KEYWAY | | LARGEST STEP DIAMETER | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | SECOND END DIAMETER | 0.5904 INCHES NOMINAL | | SECOND END STYLE | SLOTTED AND INTERNALLY THREADED | | SECOND END INTERNAL THREAD LENGTH | 0.375 INCHES NOMINAL | | SECOND END SLOT DEPTH | 0.094 INCHES NOMINAL | | SECOND END SLOT WIDTH | 0.120 INCHES NOMINAL | | SPECIAL FEATURES | FIRST END HAS TWO SAME DIMENSION KEYWAYS | | STEP QUANTITY | 6 |
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