NSN 3040-00-883-7991

Part Details | SHOULDERED SHAFT

3040-00-883-7991 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: B53343, B53-343, B53343, B53-343, B53343, B53-343, 3040-00-883-7991, 00-883-7991, 3040008837991, 008837991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 17, 196700-883-799122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

FLAT KEYWAY

PLAIN

FLAT KEYWAY

Cross Reference | NSN 3040-00-883-7991
Part Number Cage Code Manufacturer
B53-34361790ASTEC INDUSTRIES, INC.DIV ASTEC IND.
B53-34305643BARBER-GREENE CO
B53-3430MKW7MINNPAR, LLCDBA MINNPAR
Technical Data | NSN 3040-00-883-7991
Characteristic Specifications
FIRST END STYLE FLAT KEYWAY
MATERIAL STEEL COMP 1045
FIRST END KEYWAY WIDTH0.3750 INCHES NOMINAL
FIRST END EXTERNAL KEYWAY LENGTH2.375 INCHES NOMINAL
FIRST END DIAMETER1.4380 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE5 PLAIN
SECOND END KEYWAY WIDTH0.3750 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH1.750 INCHES NOMINAL
SECOND END DIAMETER1.3750 INCHES NOMINAL
LARGEST STEP DIAMETER1.438 INCHES NOMINAL
OVERALL LENGTH11.750 INCHES NOMINAL
STEP QUANTITY4