NIB – Crouse Hinds – UNF805 – Eaton Crouse-Hinds Series Unf Union, 3″ Rigid/Imc Catalog Number: UNF805. The Eaton Crouse-Hinds series UNF union is designed for hazardous/classified locations. This 3" rigid/IMC female union is made from Feraloy iron alloy. Class II, Division 2. Class II, Division 1. byJuly 5, 2026