NSN 3040-00-039-8541

Part Details | SHOULDERED SHAFT

3040-00-039-8541 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: 7982500, 3040-00-039-8541, 00-039-8541, 3040000398541, 000398541

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-039-854122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

SHAFT,SHOULDERED | 3040-00-039-8541, 000398541

WOODRUFF KEYWAY

SHAFT,SHOULDERED | 3040-00-039-8541, 000398541

PLAIN

SHAFT,SHOULDERED | 3040-00-039-8541, 000398541

WOODRUFF KEYWAY

SHAFT,SHOULDERED | 3040-00-039-8541, 000398541
Cross Reference | NSN 3040-00-039-8541
Part Number Cage Code Manufacturer
798250019207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3040-00-039-8541
Characteristic Specifications
FIRST END STYLE WOODRUFF KEYWAY
MATERIAL0$DST1020
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-11486 MIL SPEC ALL MATERIAL RESPONSES AND QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
FIRST END KEYWAY WIDTH0.0928 INCHES MINIMUM AND 0.0943 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH0.466 INCHES NOMINAL
FIRST END DISTANCE FROM KEYWAY CENTER TO END0.375 INCHES NOMINAL
FIRST END DIAMETER0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE PLAIN
SECOND END DIAMETER0.5938 INCHES NOMINAL
SECOND END HOLE DIAMETER0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM
SECOND END DISTANCE FROM HOLE CENTER TO END0.563 INCHES NOMINAL
SECOND END HOLE DEPTH0.5938 INCHES NOMINAL
LARGEST STEP DIAMETER0.594 INCHES NOMINAL
OVERALL LENGTH23.281 INCHES NOMINAL
STEP QUANTITY4