NSN 3040-01-122-1686

Part Details | SHOULDERED SHAFT

3040-01-122-1686 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: M395A, 3040-01-122-1686, 01-122-1686, 3040011221686, 011221686

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 15, 198101-122-168622914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

SPLINED (STRAIGHT)

PLAIN

SPLINED (STRAIGHT)

Cross Reference | NSN 3040-01-122-1686
Part Number Cage Code Manufacturer
M395A56848UNITED STATES DEPARTMENT OF TREASURYMINT PROCUREMENT DIV
Technical Data | NSN 3040-01-122-1686
Characteristic Specifications
FIRST END STYLE PLAIN
MATERIAL STEEL COMP 304
SURFACE FINISH125.0 MICROINCHES
FIRST END DIAMETER2.2500 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE SPLINED (STRAIGHT)
SECOND END DIAMETER1.9960 INCHES NOMINAL
SECOND END SPLINE LENGTH2.375 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER1.6960 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER1.9960 INCHES NOMINAL
SECOND END SPLINE QUANTITY6
LARGEST STEP DIAMETER2.7500 INCHES NOMINAL
OVERALL LENGTH37.000 INCHES NOMINAL
STEP QUANTITY6