Boss Tee

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have external or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inle (s) . It is used as a junction at the intersection of a boss or boss fitting on items such as tanks, housings, valve fittings, and the like. Excludes tee, tube.