The American Chain Association (ACA) traces its heritage to 1930 when the Association of Roller and Silent Chain Manufacturers (ARSCM) was formed. In 1955 that Association changed its name to the American Sprocket Chain Manufacturers Association (ASCMA)
Chains for Power Transmission and Material Handling Identification Inspection Maintenance and Replacement of B29.8 Leaf Chain Identification Installation Lubrication and Maintenance of Power Transmission Roller Chains in ANSI B29.1 and ANSI B29.3