No.4 o-ring face seal all ends
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 inlet(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.
Classification: Other fittings nesoi of alloy steel not stainless
NSN 5910-01-175-6171
NSN 5996-00-165-5027
NSN 5895-01-492-6233
NSN 5920-01-110-9242
NSN 6685-00-132-7891
NSN 5985-00-581-0513
NSN 6610-01-412-0058
NSN 5985-01-417-2139
NSN 5996-01-512-2878
NSN 6610-01-631-4355
NSN 5895-01-342-1911
NSN 6320-01-512-2031