3020-00-506-8530 GEAR,HELICAL Index 3040-00-506-8539 SHAFT,SHOULDERED

National Stock Number:
3040-00-506-8536

Federal Supply Class:
3040

National Item Identification Number:
005068536

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.


Manufacturer Information:
797451819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
M300178461465GARWOOD/FELLER INC GARWOOD WINCH DIV


Techincal Specification:
FIRST END STYLEFLAT KEYWAY
MATERIALSTEEL COMP 4140
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH40.0 MICROINCHES
FIRST END KEYWAY WIDTH0.3735 INCHES MINIMUM AND
0.3755 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH1.375 INCHES NOMINAL
FIRST END KEYWAY DEPTH0.209 INCHES NOMINAL
FIRST END DIAMETER1.4990 INCHES MINIMUM AND
1.5000 INCHES MAXIMUM
END SIMILARITYNOT IDENTICAL
SECOND END STYLETWO FLAT KEYWAYS
SECOND END KEYWAY WIDTH0.3735 INCHES MINIMUM AND
0.3755 INCHES MAXIMUM
SECOND END EXTERNAL KEYWAY LENGTH1.281 INCHES NOMINAL
SECOND END KEYWAY DEPTH0.187 INCHES MINIMUM AND
0.192 INCHES MAXIMUM
SECOND END DISTANCE FROM KEYWAY CENTER TO END14.020 INCHES NOMINAL
SECOND END DIAMETER1.7716 INCHES MINIMUM AND
1.7719 INCHES MAXIMUM
SECOND END DISTANCE BETWEEN KEYWAY CENTERS12.314 INCHES NOMINAL
SECOND END ANGLE BETWEEN KEYWAYS360.0 DEGREES NOMINAL
LARGEST STEP DIAMETER1.771 INCHES NOMINAL
OVERALL LENGTH18.750 INCHES NOMINAL
STEP QUANTITY2
SPECIAL FEATURESFIRST END DRILLED,0.453 IN. DIA,1.500 IN. DP,TAP 1/2-20UNC-2B 1.000 IN. DP;SECOND END CIR GROOVED,11.033 IN. GROOVE W,1.750 IN. GROOVE DIA,2.342 IN. DISTANCE FROM END TO GROOVE


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