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 5999-00-819-1292
NSN 5905-00-166-0358
NSN 5930-01-311-0613
NSN 5895-01-246-1769
NSN 5925-01-022-9733
NSN 5965-01-464-9885
NSN 6220-00-528-7752
NSN 4140-00-307-2732
NSN 5950-00-302-1751
NSN 6130-00-681-1496
NSN 5905-01-587-2201
NSN 5930-00-292-1089