This wing nut assembly is a replacement part which is commonly found on vacuum tanks, manways, vacuum trailers, frac tanks, storage tanks, and other pressure vessels.
This wing nut assembly is made of 316 Stainless Steel to help eliminate corrosion and stuck, rusted wingnut assemblies.
Each assembly includes the a wing nut, clevis pin, cotter pin, eye bolt, and washer.
These wing nut assemblies are non code. This means that they cannot be used on tanks that store or haul corrosives, explosives or combustible materials.