NSN 3040-00-279-0561

Part Details | SHOULDERED SHAFT

3040-00-279-0561 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: 139C6440, 3040-00-279-0561, 00-279-0561, 3040002790561, 002790561

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30AUG 08, 197300-279-056122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

FLAT KEYWAY

Cross Reference | NSN 3040-00-279-0561
Part Number Cage Code Manufacturer
139C644005606GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON)
Technical Data | NSN 3040-00-279-0561
Characteristic Specifications
FIRST END STYLE0 FLAT KEYWAY
MATERIAL STEEL COMP 4130
FIRST END GROOVE WIDTH0.0800 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM
FIRST END GROOVE DIAMETER0.4260 INCHES MINIMUM AND 0.4320 INCHES MAXIMUM
FIRST END DISTANCE FROM END TO GROOVE0.300 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FIRST END DIAMETER0.4871 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.300 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
END SIMILARITY IDENTICAL
LARGEST STEP DIAMETER0.5273 INCHES NOMINAL
OVERALL LENGTH6.680 INCHES MINIMUM AND 6.740 INCHES MAXIMUM
STEP QUANTITY6