Description - Crimp Field Attachable Couplings- Rigid Male NPTF This item is a suitable alternative for the following: 217-HY0404MP, 101HY-4-4, 101HY44, 4NP4SB, 948012, A-101HY-4-4, A101HY44, HA0404MB, HU04-04MB, HU0404MB, HY04-04MP, HY0404MB