3020-00-973-4972 GEAR,SPUR Index 2805-00-973-4974 GEAR

National Stock Number:
3040-00-973-4973

Federal Supply Class:
3040

National Item Identification Number:
009734973

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:
51712802978RENK AMERICA LLC
740308319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.360 INCHES NOMINAL
FIRST END DIAMETER0.8106 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM
FIRST END GROOVE DIAMETER0.7500 INCHES NOMINAL
FIRST END GROOVE WIDTH0.0600 INCHES NOMINAL
FIRST END STYLECIRCULAR GROOVED
LARGEST STEP DIAMETER0.9981 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM
OVERALL LENGTH4.870 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 360
SECOND END FLAT DEPTH0.2200 INCHES NOMINAL
SECOND END FLAT LENGTH0.160 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.7500 INCHES NOMINAL
SECOND END GROOVE WIDTH0.0600 INCHES NOMINAL
SECOND END DIAMETER0.8106 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM
SECOND END DISTANCE FROM END TO GROOVE0.750 INCHES NOMINAL
SECOND END STYLECIRCULAR GROOVED AND FLATTED
STEP QUANTITY9
SURFACE FINISH20.0 MICROINCHES


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