Dimension in mm is 101.6mm x 101.6mm x 50.8mm
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 6645-00-664-4665
NSN 5925-01-487-6830
NSN 6320-01-578-6006
NSN 4140-01-451-4180
NSN 5945-01-283-6011
NSN 5915-01-562-1366
NSN 6620-01-202-6756
NSN 5935-00-855-4060
NSN 6645-01-400-1137
NSN 6320-00-110-8005
NSN 6105-00-913-2789
NSN 6620-00-969-3972