3040-00-451-6681, SHAFT,SHOULDERED

National Stock Number:
3040-00-451-6681

Federal Supply Class:
3040

National Item Identification Number:
004516681

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:

2587650

80064

NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
FIRST END GROOVE DIAMETER	3.0700 INCHES MINIMUM AND 3.0820 INCHES MAXIMUM
FIRST END GROOVE WIDTH	0.1030 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM
FIRST END DIAMETER	3.3475 INCHES MINIMUM AND 3.3484 INCHES MAXIMUM
FIRST END DISTANCE FROM END TO GROOVE	2.728 INCHES MINIMUM AND 2.738 INCHES MAXIMUM
FIRST END SPLINE LENGTH	1.538 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER	3.2450 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM
FIRST END SPLINE MINOR DIAMETER	3.0510 INCHES MINIMUM AND 3.0620 INCHES MAXIMUM
FIRST END SPLINE QUANTITY	51
FIRST END STYLE	CIRCULAR GROOVED AND SPLINED (STRAIGHT)
LARGEST STEP DIAMETER	4.058 INCHES MINIMUM AND 4.063 INCHES MAXIMUM
OVERALL LENGTH	24.891 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A513 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A519 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL	STEEL
SPECIAL FEATURES	2 EXTERNAL SPLINES BOTH 64 TEETH,30 DEG PA,4.000 PD,16/32 PITCH,4.063-4.058 MAJOR DIA,3.875-3.864 MINOR DIA;ENDS COUNTERBORED AND GROOVED
SECOND END DIAMETER	3.3475 INCHES MINIMUM AND 3.3484 INCHES MAXIMUM
SECOND END DISTANCE FROM END TO GROOVE	2.958 INCHES NOMINAL
SECOND END SPLINE LENGTH	1.868 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER	3.2450 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM
SECOND END GROOVE DIAMETER	3.0700 INCHES MINIMUM AND 3.0820 INCHES MAXIMUM
SECOND END GROOVE WIDTH	0.1030 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM
SECOND END SPLINE MINOR DIAMETER	3.0510 INCHES MINIMUM AND 3.0620 INCHES MAXIMUM
SECOND END SPLINE QUANTITY	51
SECOND END STYLE	CIRCULAR GROOVED AND SPLINED (STRAIGHT)
STEP QUANTITY	9
SURFACE FINISH	63.0 MICROINCHES

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