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National Stock Number:
3040-00-169-0723
Federal Supply Class:
3040
National Item Identification Number:
001690723
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:
| 4N21727-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM END TO GROOVE | 0.850 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.850 INCHES NOMINAL | | FIRST END DIAMETER | 0.3125 INCHES NOMINAL | | FIRST END GROOVE DIAMETER | 0.2310 INCHES MINIMUM AND 0.2410 INCHES MAXIMUM | | FIRST END GROOVE WIDTH | 0.1500 INCHES NOMINAL | | FIRST END STYLE | CIRCULAR GROOVED AND EXTERNALLY THREADED | | LARGEST STEP DIAMETER | 0.500 INCHES NOMINAL | | OVERALL LENGTH | 21.520 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-5643 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 17-4PH | | SECOND END DISTANCE FROM END TO GROOVE | 1.100 INCHES NOMINAL | | SECOND END EXTERNAL KEYWAY LENGTH | 1.750 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 1.100 INCHES NOMINAL | | SECOND END DIAMETER | 0.5000 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED | | SECOND END GROOVE DIAMETER | 0.4170 INCHES MINIMUM AND 0.4270 INCHES MAXIMUM | | SECOND END GROOVE WIDTH | 0.1500 INCHES NOMINAL | | SPECIAL FEATURES | TWO 0.160 IN. DIA BY 0.090 IN. DEEP HOLES,8.330 IN. AND 9.500 IN. FROM FIRST END | | STEP QUANTITY | 5 | | SURFACE FINISH | 125.0 MICROINCHES |
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