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 6685-01-188-5940
NSN 5945-00-389-1400
NSN 5985-01-052-9757
NSN 7035-01-014-3808
NSN 7035-01-352-0766
NSN 2925-01-534-7314
NSN 6145-01-422-6059
NSN 5945-01-284-7337
NSN 5985-01-521-3230
NSN 6150-01-433-2107
NSN 5930-01-556-0663
NSN 4140-01-575-8819