A fitting with pipe threads having a female connection inside of a male connection, used in conjunction with another fitting, to connect in the same line, two pipes of different sizes.
NSN 5935-01-590-6969
NSN 6110-01-299-3386
NSN 5998-01-064-9630
NSN 6150-00-564-2777
NSN 5905-01-206-4640
NSN 4140-00-964-8623
NSN 5950-01-555-9465
NSN 6105-00-008-4911
NSN 7035-01-246-3086
NSN 5950-00-455-5371
NSN 6135-00-891-4944
NSN 5998-01-445-7408