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National Stock Number:
3040-01-192-9678
Federal Supply Class:
3040
National Item Identification Number:
011929678
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:
| 520-4674705 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 520-4674705 ITEM 20 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87611-1419 | 96169 | ELECTRIC BOAT CORPORATION | | 87611-1419 ITEM 20 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | EXTERNAL KEYWAY LENGTH | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM FIRST END | | FIRST END DIAMETER | 1.2460 INCHES MINIMUM AND 1.2480 INCHES MAXIMUM | | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 1.061 INCHES MINIMUM AND 1.068 INCHES MAXIMUM | | FIRST END STYLE | INDENTED FLAT KEYWAY | | FIRST END KEYWAY DEPTH | 0.215 INCHES MINIMUM AND 0.228 INCHES MAXIMUM | | FIRST END KEYWAY WIDTH | 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM | | OVERALL LENGTH | 20.720 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SPECIAL FEATURES | 1 HOLE DRILLED THRU EACH END 0.281 IN.DIA AT ASSY | | SURFACE FINISH | 125.0 MICROINCHES |
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