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 6645-00-421-5287
NSN 6150-00-683-5349
NSN 6610-01-463-8866
NSN 6150-01-424-8062
NSN 2925-00-416-2894
NSN 5945-01-437-6240
NSN 5920-01-023-0040
NSN 7035-01-341-9098
NSN 6645-01-007-2063
NSN 6105-01-431-8998
NSN 5855-01-369-5037
NSN 5996-00-538-7829