Roller Chain, Chain Construction Cottered Pin, Material Steel, Chain Overall Width 5/16 in, Chain Number 04B, Roller Diameter 5/32 in, Pitch 15/64 in, Link Type Connecting, Number of Strands 1, Application Mechanical Drives, Pin Outside Diameter 5/64 in, Plate Height 1/32 in, 5/16 in, Plate Thickness 1/32 in, Standards ANSI B29.1, DIN8196, JIS1801