Cage 1kxf2 is the oem
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 2925-01-036-8251
NSN 6610-01-455-4977
NSN 5915-00-789-8153
NSN 5855-00-885-8452
NSN 6150-01-439-4116
NSN 5925-01-065-4091
NSN 6130-01-469-6508
NSN 5999-00-703-2008
NSN 5965-01-325-7721
NSN 6150-00-141-0293
NSN 5905-01-400-5968
NSN 6685-00-419-0643