NSN 3040-01-378-7674

Part Details | SHOULDERED SHAFT

3040-01-378-7674 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: 12369937, 3040-01-378-7674, 01-378-7674, 3040013787674, 013787674

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30AUG 21, 199301-378-767422914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

PLAIN

Cross Reference | NSN 3040-01-378-7674
Part Number Cage Code Manufacturer
1236993719207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3040-01-378-7674
Characteristic Specifications
FIRST END STYLE2 PLAIN
MATERIAL STEEL COMP 4130
FIRST END DIAMETER0.3125 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.5000 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE2 PLAIN
SECOND END DIAMETER0.3110 INCHES MAXIMUM
SECOND END EXTERNAL THREAD LENGTH0.5000 INCHES NOMINAL
LARGEST STEP DIAMETER1.1200 INCHES NOMINAL
OVERALL LENGTH11.6600 INCHES NOMINAL
STEP QUANTITY7
SPECIAL FEATURESEACH END HAS HOLE THRU .078 INCHES .13 INCHES FROM END,END THREADS ARE .3125-24 UNF-2A,FIRST END HAS ADDITIONAL THREADS OFF CENTER .875-14 UNF-2A BESIDE CIRCULAR GROOVE .120 INCHES WIDE;.776 INCHES IN DIA.
END ITEM IDENTIFICATION2350-01-048-5920