3040-01-496-2231, SHAFT,SHOULDERED

National Stock Number:
3040-01-496-2231

Federal Supply Class:
3040

National Item Identification Number:
014962231

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:

218030137	96169	ELECTRIC BOAT CORPORATION
581-6985420-9	53711	NAVAL SEA SYSTEMS COMMAND
6985420	53711	NAVAL SEA SYSTEMS COMMAND
H611-1404	96169	ELECTRIC BOAT CORPORATION
H611-1404-9	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
EXTERNAL KEYWAY LENGTH	2.625 INCHES MINIMUM AND 2.637 INCHES MAXIMUM SECOND END
FIRST END DISTANCE FROM END TO GROOVE	1.170 INCHES MINIMUM AND 1.175 INCHES MAXIMUM
FIRST END EXTERNAL THREAD LENGTH	1.170 INCHES MINIMUM AND 1.175 INCHES MAXIMUM
FIRST END GROOVE DIAMETER	0.8000 INCHES NOMINAL
FIRST END DIAMETER	1.4910 INCHES MINIMUM AND 1.4930 INCHES MAXIMUM
FIRST END STYLE	CIRCULAR GROOVED AND EXTERNALLY THREADED
FIRST END GROOVE WIDTH	0.3800 INCHES NOMINAL
LARGEST STEP DIAMETER	1.750 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW SHAFT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286,FORM:2,CONDITION:ANNEALED&AGEHARDENED,HOTFINIS FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL	NICKEL ALLOY
OVERALL LENGTH	33.190 INCHES NOMINAL
SPECIAL FEATURES	BOTH ENDS OF SHAFT HAVE 1.000-8 UNC-2B THREADS; BOTH ENDS OF SHAFT CHAMFERED 0.080 INCH X 45 DEGREES; FIRST END OF SHAFT HAS 1.750-4 ACME-2G X 10.500 INCH LONG LEFT HAND THREADS; SECOND END OF SHAFT HAS 1.750-4 ACME-2G X 10.500 INCH LONG RIGHT HAND THREADS; NEXT HIGHER ASSEMBLY NSN:3020-01-495-6066
SECOND END DIAMETER	1.4910 INCHES MINIMUM AND 1.4930 INCHES MAXIMUM
SECOND END DISTANCE FROM END TO GROOVE	1.120 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH	1.120 INCHES NOMINAL
SECOND END STYLE	CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED
SECOND END GROOVE DIAMETER	0.8000 INCHES NOMINAL
SECOND END GROOVE WIDTH	0.3800 INCHES NOMINAL
SECOND END KEYWAY DEPTH	0.185 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
SECOND END KEYWAY WIDTH	0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	81348-QQ-N-286,FORM:2,CONDITION:ANNEALED AND AGE HARDENED,FINISH:HOT FINISH GOVERNMENT SPECIFICATION
STEP QUANTITY	11
SURFACE FINISH	32.0 MICROINCHES

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