Product Description
Backup Rings
- SIZE#369 = 8 ID x 8-3/8 OD x 3/16 CS
- Back-up rings are used in conjunction with O-ring for both static and dynamic sealing applications. They prevent extrusion of the O-ring when it is subjected to high pressures, or when the extrusion gaps are excessive. Wherever possible two Back-up rings should be used, one on each side of the O-ring.
- Color Black
- Buna Nitrile 90 Durometer
- Price is $2.15 each
