One Side of the hose fittings will be suitable for Hose and will come with Crimping Ferrule. Crimping Ferrule will be use to attached the fitting body to the hose. The other side of these SAE Hose Fittings will have NPT Male, JIC Female Swivel, NPT Female fixed or swivel, BSP Male, BSP Female Swivel or Fixed. There are other end connections also like SAE, BSPT, NPS ..etc
But most common connections in SAE Hose Fittings are NPT Male JIC Female Swivel and BSP Female Swivel.