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 5945-00-350-8382
NSN 5935-01-126-9800
NSN 5920-01-401-5315
NSN 5965-01-227-4517
NSN 6645-01-064-3711
NSN 5945-00-844-2341
NSN 6145-00-802-2384
NSN 6130-01-203-4919
NSN 5835-01-291-5405
NSN 5960-00-762-0553
NSN 2925-01-426-3410
NSN 5835-01-156-5622