NSN 3040-00-253-5719

Part Details | SHOULDERED SHAFT

3040-00-253-5719 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: SMB686385, SM-B-686385, 3040-00-253-5719, 00-253-5719, 3040002535719, 002535719

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUL 18, 196900-253-571922914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

CIRCULAR GROOVED

INTERNAL THREADED

CIRCULAR GROOVED

INTERNAL THREADED

Cross Reference | NSN 3040-00-253-5719
Part Number Cage Code Manufacturer
SM-B-68638580063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 3040-00-253-5719
Characteristic Specifications
FIRST END STYLE CIRCULAR GROOVED
MATERIAL STEEL
FIRST END GROOVE WIDTH0.0180 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.1750 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE0.042 INCHES NOMINAL
FIRST END DIAMETER0.1870 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE INTERNAL THREADED
SECOND END DIAMETER0.2500 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.328 INCHES NOMINAL
LARGEST STEP DIAMETER0.250 INCHES NOMINAL
OVERALL LENGTH2.419 INCHES NOMINAL
STEP QUANTITY3