Crouse Hinds (Eaton) Sealing Locknut, Malleable Iron with PVC Gasket, Rigid/IMC Conduit, 4 in.

Only one sealing locknut is required to:Functionally replace rigid threaded enclosure connectorsProvide positive ground connectionProvide economies in installation and fitting costsFeatures and Benefits:Integrally fused PVC gasket provides positive seal against water, oils and other liquidsDesigned for use with watertight, raintight and oiltight enclosures, NEMA 2, 3, 3R, 4 and 12Can be used with either sheet metal or standard cast metal boxes