Product Description
Backup Rings
- SIZE#378 = 10-1/2 ID x 10-7/8 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
- Price is $2.70 each
