Overseas metric 203.2mm x 203.2mm x 152.4mm
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 6240-01-364-8696
NSN 5945-01-102-2723
NSN 5935-00-062-3120
NSN 5920-01-088-8312
NSN 5915-01-593-2868
NSN 5985-01-246-3725
NSN 5925-00-566-3889
NSN 6650-00-883-3894
NSN 6320-00-242-3300
NSN 7035-00-408-0269
NSN 6610-01-026-1701
NSN 5905-00-647-4554