SS Camlock Coupling Dust Cap Type-DC Size: 1/2'' to 6'' Handles ... Gasket: NBR, EPDM, Vition SS Camlock Coupling Dust Cap Type-DCSize: 1/2'', 3/4", 1", 1-1/ ... Coupling Dust Cap Type-DC< Technicial Standred of the product is according to the American Military standreds-A-A- ... MIL-C-27487), They are used usual industrial field including Military, Oil, Colliery, Fire control ,Chemical, Industry ,Agricultural ...