![Sterling Seal ORSIL214x25 Number-214 Standard Silicone O-Ring has Excellent Resistance to Oxygen, Ozone and Sunlight, Vinyl Methyl Silicone, 70 Durometer Hardness, 1" ID, 1-1/4" OD (Pack of 25): Amazon.com: Industrial & Scientific Sterling Seal ORSIL214x25 Number-214 Standard Silicone O-Ring has Excellent Resistance to Oxygen, Ozone and Sunlight, Vinyl Methyl Silicone, 70 Durometer Hardness, 1" ID, 1-1/4" OD (Pack of 25): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/6112JyhGnbL.jpg)
Sterling Seal ORSIL214x25 Number-214 Standard Silicone O-Ring has Excellent Resistance to Oxygen, Ozone and Sunlight, Vinyl Methyl Silicone, 70 Durometer Hardness, 1" ID, 1-1/4" OD (Pack of 25): Amazon.com: Industrial & Scientific
![Surface finish acceptance criteria for ORFS fittings - Knowledge - Yuyao Jiayuan Hydraulic Fitting Factory Surface finish acceptance criteria for ORFS fittings - Knowledge - Yuyao Jiayuan Hydraulic Fitting Factory](https://www.jiayuanfitting.com/Content/upload/2019447701/201906101204455945682.png)
Surface finish acceptance criteria for ORFS fittings - Knowledge - Yuyao Jiayuan Hydraulic Fitting Factory
![Experimental investigations on the effect of rod surface roughness on lubrication characteristics of a hydraulic O-ring seal - ScienceDirect Experimental investigations on the effect of rod surface roughness on lubrication characteristics of a hydraulic O-ring seal - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0301679X20306162-gr1.jpg)