O-rings are one of the simplest, yet most engineered, precise, and useful seal designs ever developed. They are available in various metric and inch standard sizes. Sizes are specified by the inside diameter and the cross section diameter (thickness).
- 4-1/8 in. OD x 3-7/8 in. ID x 1/8 in. Thick
- Rubber construction
- Packed bag of 20
- Fits various manufacturers