3595510 SWIVEL COUPLING BULK HEAD
Hiab swivel coupling, this item can be found halfway up the column/kingpost. They fit through a metal plate which joins the column hoses together. There is a nut which retains this fitting to the bulkhead plate it is part number 3600149. There is also another swivel which is used in conjunction which is part number 3595528.
This item can be found on the following equipments;
HIAB 071A, HIAB 071AW, HIAB 095A, HIAB 095AW.