Product Description
Backup Rings
- Size#431 - 5-1/4 ID x 5-3/4 OD x 1/4 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.
- 90 Durometer Rubber Nitrile
- Price is $1.90 each
