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 6105-01-609-4646
NSN 4140-00-659-8283
NSN 5925-01-597-2065
NSN 6105-00-460-3852
NSN 5935-01-275-6855
NSN 5935-00-167-8028
NSN 6685-01-020-8508
NSN 2925-01-518-9038
NSN 5925-00-497-8876
NSN 7035-01-583-6465
NSN 5920-00-767-0596
NSN 5990-01-644-3095