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 6240-01-006-1261
NSN 6220-01-572-8234
NSN 5945-01-604-2229
NSN 5905-01-390-7253
NSN 6110-01-494-9380
NSN 5999-01-415-9928
NSN 6150-00-100-4757
NSN 5935-01-005-3739
NSN 2925-01-231-6312
NSN 6220-01-165-1981
NSN 5945-01-512-0284
NSN 6220-00-605-0404