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National Stock Number:
3040-01-180-3477
Federal Supply Class:
3040
National Item Identification Number:
011803477
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:
| 12321031 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.6230 INCHES NOMINAL | | FIRST END STYLE | PLAIN | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4340 | | OVERALL LENGTH | 3.500 INCHES NOMINAL | | SECOND END GROOVE DIAMETER | 0.2500 INCHES NOMINAL | | SECOND END DIAMETER | 0.6230 INCHES NOMINAL | | SECOND END STYLE | CIRCULAR GROOVED | | SECOND END INTERNAL THREAD LENGTH | 0.3800 INCHES NOMINAL | | SPECIAL FEATURES | HOLE IN 2ND END IS THREADED TO 0.164-32 UNC-2B; HEAT TREAT AND NITRIDE ENTIRE PART PER MIL-H-6875 & MIL-S-6090 USING DOUBLE STAGE NITRIDING PROCESS,RESULTING WHITE LAYER TO BE 0.005 IN.MAX.; CASE REQ. AT SPLINE TOOTH PITCH LINE: SURFACE HARDNESS ROCKWELL 30N 70MIN.,DEPTH FROM SURFACE TO HARDNESS OFRC 45 0.010/0.015,CORE HARDNESS RC35-40; SCREW THREADS NOT NITRIDED; EXTERNAL INVOLUTE SPLINE DATA: 16 TEETH; DIAMETRAL PITCH IS 20/40; PRESSURE ANGLE IS 30 DEG. | | SURFACE FINISH | 125.0 MICROINCHES |
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