National Item Identification Number
National Stock Number
Federal Supply Class
An item in the form of a segment of a disk, which may have a flat bottom, with or without projecting shoulders, designed to fit into a keyway in an axle or shaft, and into a matching slot in the hub or boss of a wheel, gear or pulley.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
STEEL COMP 4130 OVERALL
C56 ROUND BOTTOM RELIEVED ENDS