Leybold Bolt for Sight Glass for D30A Rotary Vane Pump, PN L0198
These sight glass bolts are designed for the Leybold D30A, rotary vane vacuum pumps. When a vacuum pump is used in corrosive applications, contamination can build up on the sight glass making servicing or replacement of the sight glass necessary. These bolts are replacements for units damaged or broken during removal of the sight glass.