Attachment Link Attachment Number D-1 Attachment Type Pin Material Steel Chain Overall Width 0.717 in Chain Number 40 Roller Diameter 19/64 in Finish Nickel Plated Pitch 1/2 in Link Type Attachment Centerline to Attachment End 0.392 in Centerline to Hole Center 0.325 in Extended Pin Diameter 0.156 in Lubrication SAE 10 to SAE 50 Maximum Operating Temperature 302 Degrees F Minimum Operating Temperature 14 Degrees F Number of Tab Holes 1 Pin Contruction Riveted Pin