No other part numbers with same form, fit, and function found.
A fitting in the form of the letter y with each branch usually fixed at 45 degrees (0.78539 radians) to the run. It has identical flanged ends.
NSN 5999-01-089-6974
NSN 6240-01-221-9093
NSN 6150-01-487-4040
NSN 6135-00-932-3136
NSN 5990-01-425-2175
NSN 6610-01-018-7426
NSN 4140-00-167-4712
NSN 6320-01-029-4220
NSN 5960-01-222-0074
NSN 5920-01-052-3339
NSN 5945-01-014-0624
NSN 6135-01-349-6285