Crane Retainer Ring for 4″ Centerset Faucets
This flange fits under the 20-73387 handles on post-war 4″ center Slant-back lavatory faucets like the faucets found on Oxford or Beverly sinks. It measures 1 7/8″ on the Outside diameter, stands 3/4″ tall, and has an Inside diameter of just under 1 1/4″. Thread pitch is 16 TPI. Chrome plate Brass, sold by the each.