3040-01-237-6289 SHAFT,SHOULDERED Index 3040-01-237-6291 SHAFT,SHOULDERED

National Stock Number:
3040-01-237-6290

Federal Supply Class:
3040

National Item Identification Number:
012376290

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:
77832-60X996169ELECTRIC BOAT CORPORATION
77832-60X9 PIECE 496169ELECTRIC BOAT CORPORATION
SSN637-701-215998580064NAVAL SHIP SYSTEMS COMMAND
SSN637-701-2159985 PIECE 480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER1.3782 INCHES NOMINAL
FIRST END SPLINE QUANTITY10
FIRST END STYLESPLINED (STRAIGHT)
FIRST END SPLINE LENGTH1.000 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER1.3720 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER1.1745 INCHES NOMINAL
LARGEST STEP DIAMETER1.750 INCHES NOMINAL
OVERALL LENGTH6.840 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 4140 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4140
SECOND END DIAMETER1.3782 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER1.1745 INCHES NOMINAL
SECOND END SPLINE QUANTITY10
SECOND END STYLESPLINED (STRAIGHT)
SECOND END SPLINE LENGTH1.188 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER1.3720 INCHES NOMINAL
SPECIAL FEATURESDRILLED HOLE 2ND END 0.500 IN. DIA,13UNC-2B,1.250 IN. DEEP
STEP QUANTITY3
SURFACE FINISH32.0 MICROINCHES


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