3040-01-386-6659, SHAFT,SHOULDERED

National Stock Number:
3040-01-386-6659

Federal Supply Class:
3040

National Item Identification Number:
013866659

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:

9338170	19200	US ARMY ARDEC RDECOM
9338170-2	19200	US ARMY ARDEC RDECOM

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
FIRST END EXTERNAL THREAD LENGTH	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
FIRST END DIAMETER	0.3760 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM
FIRST END STYLE	EXTERNAL THREADED
LARGEST STEP DIAMETER	0.476 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR STMA331 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	3.040 INCHES MINIMUM AND 3.080 INCHES MAXIMUM
MATERIAL	STEEL COMP 4340
SECOND END DISTANCE FROM END TO GROOVE	2.100 INCHES NOMINAL
SECOND END GROOVE DIAMETER	0.2780 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM
SECOND END GROOVE WIDTH	0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM
SECOND END DIAMETER	0.4760 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM
SECOND END SPLINE LENGTH	2.100 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER	0.4760 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM
SECOND END SPLINE MINOR DIAMETER	0.4060 INCHES NOMINAL
SECOND END SPLINE QUANTITY	22
SECOND END STYLE	CIRCULAR GROOVED, SPLINED (STRAIGHT) AND EXTERNALLY THREADED
SECOND END INTERNAL THREAD LENGTH	0.750 INCHES NOMINAL
SPECIAL FEATURES	FIRST END ALS0 HAS INTERNAL HEXAGON,0.125 IN.ACROSS FLATS
STEP QUANTITY	3

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