Check Retainer Nut

This is a check retainer nut for the Wilkins 350, 350A, 350DA, 350ADA, 375, 375A, 375DA, 375ADA, 450, 450DA, 475 & 475DA series assemblies. The first check is held in place by four studs and nutswhile the second check is held in with seven nuts and a stainless steel retainer. Genuine Zurn/Wilkins repair parts. No special tools are required for servicing.