NSN 3040-01-496-2231

Part Details | SHOULDERED SHAFT

3040-01-496-2231 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.

Alternate Parts: 218030137, H61114049, H611-1404-9, H6111404, H611-1404, 6985420, 58169854209, 581-6985420-9, 3040-01-496-2231, 01-496-2231, 3040014962231, 014962231

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30APR 08, 200201-496-223122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

FLATTED

FLAT KEYWAY

FLATTED

Cross Reference | NSN 3040-01-496-2231
Part Number Cage Code Manufacturer
21803013796169ELECTRIC BOAT CORPORATION
H611-1404-996169ELECTRIC BOAT CORPORATION
H611-140496169ELECTRIC BOAT CORPORATION
698542053711NAVAL SEA SYSTEMS COMMAND
581-6985420-953711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-496-2231
Characteristic Specifications
FIRST END STYLE0 FLAT KEYWAY
MATERIAL NICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,FORM:2,CONDITION:ANNEALED&AGEHARDENED,HOTFINIS FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH32.0 MICROINCHES
FIRST END GROOVE WIDTH0.3800 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.8000 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE1.170 INCHES MINIMUM AND 1.175 INCHES MAXIMUM
FIRST END DIAMETER1.4910 INCHES MINIMUM AND 1.4930 INCHES MAXIMUM
FIRST END EXTERNAL THREAD LENGTH1.170 INCHES MINIMUM AND 1.175 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE1 FLATTED
SECOND END GROOVE WIDTH0.3800 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.8000 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE1.120 INCHES NOMINAL
SECOND END KEYWAY WIDTH0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM
SECOND END EXTERNAL KEYWAY LENGTH2.625 INCHES MINIMUM AND 2.637 INCHES MAXIMUM
SECOND END KEYWAY DEPTH0.185 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
SECOND END DIAMETER1.4910 INCHES MINIMUM AND 1.4930 INCHES MAXIMUM
SECOND END EXTERNAL THREAD LENGTH1.120 INCHES NOMINAL
LARGEST STEP DIAMETER1.750 INCHES NOMINAL
OVERALL LENGTH33.190 INCHES NOMINAL
STEP QUANTITY11
SPECIAL FEATURESBOTH 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
SPECIFICATION/STANDARD DATA81348-QQ-N-286,FORM:2,CONDITION:ANNEALED AND AGE HARDENED,FINIH:HOT FINIH GOVERNMENT SPECIFICATION
END ITEM IDENTIFICATIONANCHOR & ANCHOR CHAIN SECURING MECHANISM ASSEMBLY; W/S:LOS AGENLES CLASS SSN (688)
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW SHAFT