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 7035-00-803-3056
NSN 6130-01-481-9000
NSN 6110-01-384-2319
NSN 5990-01-633-9503
NSN 5835-01-481-4204
NSN 5935-01-584-2745
NSN 6645-00-038-7737
NSN 5960-00-222-7772
NSN 5920-00-100-2582
NSN 5855-01-534-4577
NSN 6685-01-219-5528
NSN 5910-00-548-3843