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 5855-01-017-7366
NSN 5910-00-269-4755
NSN 6320-01-296-3181
NSN 6220-01-006-4966
NSN 6110-00-014-8160
NSN 5965-00-251-2529
NSN 5935-01-177-6026
NSN 5930-01-152-2621
NSN 5975-00-404-7476
NSN 5990-00-104-4903
NSN 5950-01-582-8295
NSN 6220-01-449-2807