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 6150-01-022-1414
NSN 6145-00-033-2997
NSN 6645-00-246-4934
NSN 5920-01-144-3841
NSN 5945-01-615-5536
NSN 6645-01-438-3069
NSN 6220-01-459-8017
NSN 2925-01-086-5507
NSN 6145-00-873-4808
NSN 6145-00-806-5333
NSN 5895-01-177-0407
NSN 6130-01-150-5323