3040-01-245-2755 SHAFT,STRAIGHT Index 3040-01-245-2757 SHAFT,SHOULDERED

National Stock Number:
3040-01-245-2756

Federal Supply Class:
3040

National Item Identification Number:
012452756

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:
139C6928-205606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.6230 INCHES NOMINAL
FIRST END FLAT DEPTH0.0550 INCHES NOMINAL
FIRST END FLAT LENGTH1.230 INCHES NOMINAL
FIRST END STYLEFLATTED
LARGEST STEP DIAMETER0.623 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4140
OVERALL LENGTH11.105 INCHES NOMINAL
SECOND END DIAMETER0.5000 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.3900 INCHES NOMINAL
SECOND END SPLINE QUANTITY15
SECOND END STYLESPLINED (INVOLUTE)
SECOND END PITCH DIAMETER0.4688 INCHES NOMINAL
SECOND END PRESSURE ANGLE30.0 DEGREES NOMINAL
SECOND END SPLINE LENGTH0.585 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.5000 INCHES NOMINAL
SPECIAL FEATURESITEM HAS THREE THRU HOLES,ONE INCENTER,ONE ON EACH END; FIRST END EDGES ARE BEVELED
STEP QUANTITY2


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