6810-01-446-9969 TANTALUM SILICIDE Index 5998-01-446-9971 ELECTRONIC COMPONENTS ASSEMBLY

National Stock Number:
3040-01-446-9970

Federal Supply Class:
3040

National Item Identification Number:
014469970

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:
65391-1132878286SIKORSKY AIRCRAFT CORPORATION
65391-11328-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER3.9500 INCHES NOMINAL
FIRST END PITCH DIAMETER4.4000 INCHES NOMINAL
FIRST END PRESSURE ANGLE25.0 DEGREES NOMINAL
FIRST END SPLINE LENGTH0.7000 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER4.5495 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER4.1475 INCHES NOMINAL
FIRST END SPLINE QUANTITY44
FIRST END STYLESPLINED (INVOLUTE)
LARGEST STEP DIAMETER4.5495 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6265 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH10.5680 INCHES NOMINAL
SECOND END DIAMETER2.0780 INCHES NOMINAL
SECOND END STYLESPLINED (INVOLUTE)
SECOND END PITCH DIAMETER2.4000 INCHES NOMINAL
SECOND END PRESSURE ANGLE25.0 DEGREES NOMINAL
SECOND END SPLINE LENGTH2.0600 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER2.5495 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER2.1475 INCHES NOMINAL
SECOND END SPLINE QUANTITY24
STEP QUANTITY5
SURFACE FINISH32.0 MICROINCHES


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