O-ring, FKM Part# 48650500 – vacstellar

Description

This is the O-Ring, FKM – Part #486000633. It is a replacement part made for the Busch COBRA NC 0400 B dry screw vacuum pump. You will also find this exact O-ring included in the official Gasket Kit for this pump model. So you know it is the right part for the job. This O-ring is made from a material called FKM. You might also hear it called Viton®. This material is much tougher than ordinary rubber. It is specially chosen for demanding vacuum pump applications.