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National Stock Number:
3040-01-126-3839
Federal Supply Class:
3040
National Item Identification Number:
011263839
Description:
SHAFT,STRAIGHT
Detail:
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for jubricating holes. For items having an integral gear(s) or worm(s), see GEARSHAFT (as modified). For items designed to support rotating members see AXLE(1), STRAIGHT. For items not having the above conditions see PIN, STRAIGHT, HEADLESS. For items having machined ends which constitute steps see SHAFT(1), SHOULDERED; AXLE(1), SHOULDERED; and BOLT, FLUID PASSAGE.
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Manufacturer Information:
| AR-158 | 56848 | UNITED STATES DEPARTMENT OF TREASURY MINT PROCUREMENT DIV |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 1.2490 INCHES NOMINAL | | FIRST END STEP LENGTH | 1.062 INCHES NOMINAL | | FIRST END STYLE | HEXAGONAL | | FIRST END WIDTH ACROSS FLATS | 1.875 INCHES NOMINAL | | OVERALL LENGTH | 8.375 INCHES NOMINAL | | MATERIAL | STEEL COMP 1020 | | SECOND END EXTERNAL THREAD LENGTH | 1.250 INCHES NOMINAL | | SECOND END HOLE DEPTH | 1.250 INCHES NOMINAL | | SECOND END HOLE DIAMETER | 0.2500 INCHES NOMINAL | | SECOND END DIAMETER | 1.2500 INCHES NOMINAL | | SECOND END DISTANCE FROM HOLE CENTER TO END | 0.250 INCHES NOMINAL | | SECOND END STYLE | CROSS DRILLED AND EXTERNALLY THREADED | | SPECIAL FEATURES | FIRST END-0.188 DRILL 4.000 IN. D,0.312 DRILL 0.875 IN. D,0.125-27 PIPE TAP | | SURFACE FINISH | 63.0 MICROINCHES |
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