‚n ring

It is an O ring that it is used most for every seal part.
With an important function part, the materials are various, too. I advise it if I talk about a use use, a condition, a purpose after confirmation on the occasion of use well.

š An O ring for fixation for JISBS2401P movements
š An O ring for JISBS2401G fixation
š An O ring for JISBS2401V vacuum flanges
š An AS568AO ring
š An O ring for JISOF404 cars
š An O ring for vacuums and a gasket
š A large-diameter forwarding firing O ring