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National Stock Number:
3040-01-124-3789
Federal Supply Class:
3040
National Item Identification Number:
011243789
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:
| 709-4684922 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 709-4684922 ITEM 39 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87832-1651 | 96169 | ELECTRIC BOAT CORPORATION | | 87832-1651 ITEM 39 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 1.380 INCHES NOMINAL FIRST END | | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 0.810 INCHES NOMINAL | | FIRST END DIAMETER | 0.7500 INCHES NOMINAL | | FIRST END KEYWAY DEPTH | 0.106 INCHES MINIMUM AND 0.121 INCHES MAXIMUM | | FIRST END KEYWAY WIDTH | 0.1880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM | | FIRST END HOLE DIAMETER | 0.2800 INCHES NOMINAL | | FIRST END STYLE | INDENTED FLAT KEYWAY AND CROSS DRILLED HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 304 | | OVERALL LENGTH | 2.750 INCHES NOMINAL | | SECOND END DISTANCE FROM HOLE CENTER TO END | 0.630 INCHES NOMINAL | | SECOND END HOLE DEPTH | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM | | SECOND END DIAMETER | 0.7500 INCHES NOMINAL | | SECOND END STEP LENGTH | 1.000 INCHES NOMINAL | | SECOND END STYLE | SQUARE AND CROSS DRILLED HOLE | | SECOND END WIDTH ACROSS FLATS | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM | | SECOND END HOLE DIAMETER | 0.2800 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES |
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