Description - Crimp Field Attachable Couplings- Rigid Male NPTF This item is a suitable alternative for the following: 217-HY0406MP, HY04-06MP, HU0406MB, 101HY0604, 101HY-6-4, HU04-06MB, HA0406MB, A101HY64, A-101HY-6-4, HY0406MB, 101HY64, 6NP4SB, 948020