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 5915-00-951-0963
NSN 5975-01-524-9334
NSN 6135-01-429-9029
NSN 6130-00-071-1518
NSN 6320-00-725-0754
NSN 6130-00-221-7679
NSN 4140-01-521-8303
NSN 5985-00-884-2918
NSN 5895-00-837-3441
NSN 6620-01-232-8552
NSN 6610-01-388-6661
NSN 5905-01-324-4463