Опорное кольцо, внутренний диаметр 12 мм Caterpillar 1206372

A Backup Ring is act as a sealing member that is used to prevent leak under high pressure and temperature conditions. It is made of a harder material than the O-ring, such as rubber and is placed on the opposite side of the O-ring from the pressure source.Attributes:• Manufactured to precise specifications and are built for durability and reliability• Provides good resistance to wear and tearApplications:A Backup Ring is used to provide additional sealing and support to the oil level sight gauge.