3040-01-498-9946, SHAFT,SHOULDERED

National Stock Number:
3040-01-498-9946

Federal Supply Class:
3040

National Item Identification Number:
014989946

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:

563-7066807	53711	NAVAL SEA SYSTEMS COMMAND
563-7066807-49	53711	NAVAL SEA SYSTEMS COMMAND
H552-0602-49	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

END SIMILARITY	IDENTICAL
FIRST END DIAMETER	2.4930 INCHES MINIMUM AND 2.4940 INCHES MAXIMUM
FIRST END SPLINE QUANTITY	10
FIRST END STYLE	SPLINED (STRAIGHT)
FIRST END SPLINE LENGTH	10.120 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER	2.4930 INCHES MINIMUM AND 2.4940 INCHES MAXIMUM
FIRST END SPLINE MINOR DIAMETER	2.1280 INCHES MINIMUM AND 2.1430 INCHES MAXIMUM
LARGEST STEP DIAMETER	2.495 INCHES MINIMUM AND 2.497 INCHES MAXIMUM
OVERALL LENGTH	33.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 FORM 2,COND ANNEALED & AGE HARDENED FINISH B FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL	NICKEL ALLOY K-500
PART NAME ASSIGNED BY CONTROLLING AGENCY	SHAFT
SECOND END EXTERNAL THREAD LENGTH	2.625 INCHES NOMINAL
SECOND END DIAMETER	1.7500 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER	2.4930 INCHES MINIMUM AND 2.4940 INCHES MAXIMUM
SECOND END SPLINE MINOR DIAMETER	2.1280 INCHES MINIMUM AND 2.1430 INCHES MAXIMUM
SECOND END SPLINE QUANTITY	10
SECOND END STYLE	STRAIGHT SPLINED AND EXTERNALLY THREADED
SECOND END SPLINE LENGTH	4.130 INCHES NOMINAL
SPECIAL FEATURES	NEXT HIGHER ASSEMBLY: MOTOR ASSEMBLY WP. 0.125 WIDE X 1.500 DIAMETER GROOVE IS PROVIDED BETWEEN 1.750-5UNC-3A THREADS AND STRAIGHT SPLINE ON SECOND END OF SHAFT; SAE 10 B SPLINES ARE ON BOTH ENDS IN-LINE
STEP QUANTITY	7
SURFACE FINISH	32.0 MICROINCHES

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