... Stainless Steel Gasket: NBR, EPDM, Vition SS Camlock Coupling Dust Cap Type-DCSize: 1/2'', 3/4", 1", 1-1/4 ... , VitionSS Camlock Coupling Dust Cap Type-DC< Technicial Standred of the product is according to the American Military standreds-A-A-59326A ... MIL-C-27487), They are used usual industrial field including Military, Oil, Colliery, Fire control ,Chemical, Industry ,Agricultural irrigation and other ...