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 5930-01-014-2640
NSN 5965-01-411-4767
NSN 7035-00-870-0290
NSN 6135-01-056-4609
NSN 6110-00-967-4257
NSN 5975-00-116-3874
NSN 5998-00-913-7282
NSN 6145-00-954-5121
NSN 7035-01-449-1846
NSN 2925-01-015-2354
NSN 2925-01-478-8191
NSN 5835-01-104-8914