Combination hose nipples are used in a variety of fluid applications. They are available in unplated steel, plated steel, polypropylene, and stainless steel. End (male) threads are NPT (will mate with foot valves, strainers, cam- and-groove part A, D etc.) and are the same size as shanks. Jump sizes and reducers are also available.
Common in steel, plated steel, stainless, & polypropylene.