Overseas metric, 31.75mm
No other part numbers with same form, fit, and function found.
A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have standard pipe threads or 1s unthreaded and designed to accommodate a pipe. It may have side inlet(s). It is used as a junction at the intersection of pipe or pipe fittings.
NSN 6110-01-591-9377
NSN 5930-01-232-1554
NSN 6110-00-271-9928
NSN 5855-00-198-3197
NSN 7035-00-193-2269
NSN 6130-00-372-4322
NSN 5895-01-182-7291
NSN 5835-00-170-5238
NSN 6130-01-452-4572
NSN 5915-01-468-0053
NSN 4140-01-046-8196
NSN 7035-00-371-7749