a pin- The numbers are OP051002, Front of Pin appears to be 15/16 at the widest part. The pin inserts into the tract and clips to the arm of the operator.




I don't have any confirmation for that explicit code, but if your design and dimensions match the hardware shown in the photos above then our 39-399 and 39-400 remain our best recommendations. It's always better to go by physical details rather than printed codes, which can often be misleading or outdated.