NSN 3040-00-346-8253

Part Details | SHOULDERED SHAFT

3040-00-346-8253 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: 7970868, 3040-00-346-8253, 00-346-8253, 3040003468253, 003468253

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-346-825322914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

TAPERED WITH FLAT

TAPERED WITH FLAT

Cross Reference | NSN 3040-00-346-8253
Part Number Cage Code Manufacturer
797086819207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3040-00-346-8253
Characteristic Specifications
FIRST END STYLE3 TAPERED WITH FLAT
MATERIAL0$6
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE
SURFACE FINISH32.0 MICROINCHES
FIRST END DIAMETER0.2502 INCHES NOMINAL
FIRST END HOLE DIAMETER0.0940 INCHES NOMINAL
FIRST END DISTANCE FROM HOLE CENTER TO END0.1530 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE3 TAPERED WITH FLAT
SECOND END DIAMETER0.3120 INCHES NOMINAL
SECOND END HOLE DIAMETER0.1090 INCHES NOMINAL
SECOND END DISTANCE FROM HOLE CENTER TO END0.9720 INCHES NOMINAL
LARGEST STEP DIAMETER0.374 INCHES NOMINAL
OVERALL LENGTH4.250 INCHES NOMINAL
STEP QUANTITY3