Size: 48mm-iv; bushing diameter: 1.8898 inch
No other part numbers with same form, fit, and function found.
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 2925-01-265-2853
NSN 5965-01-365-0101
NSN 5920-01-099-0963
NSN 6685-00-442-7219
NSN 5930-01-432-0760
NSN 5985-01-505-0372
NSN 5945-01-342-4501
NSN 6650-01-541-0506
NSN 2925-01-502-5896
NSN 5960-01-151-4518
NSN 6150-01-029-8649
NSN 5895-01-134-7460