Properties:

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The hose connection(s) have standard hose threads, an incomplete part of a threaded end connection that grips the hose directly, or is unthreaded and designed to accommodate a hose. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a hose or hose fitting and a boss or boss fitting on items such as tanks, housings, valve fittings, and the like. See also tee, hose and tee, tube to hose. Excludes tee, pipe to hose.