O-Ring, FKM 80 x 2 mm – Part# 486000640 – vacstellar

Description

This O-ring is made from FKM, which is also known by the brand name Viton. It is a high-performance rubber that is specially chosen for vacuum pumps. It measures 80 mm across and is 2 mm thick, making it a direct fit for a wide range of Busch MINK and COBRA vacuum pumps.

 This O-ring is a key part of the official Busch COBRA NC0630B Gasket Kit (Part # 990543930). That gasket kit uses one of these O-rings to ensure a complete and reliable seal.