National Item Identification Number
00-138-2242
001382242
3040-00-138-2242
3040001382242
National Stock Number
Item Name
SHAFT,SHOULDERED
Federal Supply Class
3040
Description
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.
Commercial and Government Entity Code (Supplier Data)
71041
INCOM INTL INC
BOSTON GEAR DIV
14 HAYWARD ST
QUINCY
MA
02171
617-328-3300
Reference Numbers (Part Numbers)
55551
Required Categories
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
SECOND END STYLE
SECOND EN
Required Description
1 PLAIN
1.3750 INCHES NOMINAL
NOT IDENTICAL
1 PLAIN
0.9840 INCHES NOMINAL
1