Back Home / Fleet & Automotive / O Rings / O RING 3/4″ID, 1″OD, 1/8″THK O RING 3/4″ID, 1″OD, 1/8″THK SKU: OR210 Categories: Fleet & Automotive, O Rings Buna N rubber. 70 durometer. Backbone of the O-ring line. General purpose. Compatible with petroleum fluids, water (to 212°F), silicone fluids, Ethylene Glycol. Universal sizing. Available in assortments: ORKIT, OR18SA, and ORA24. Case Quantity: 50 Log In For Pricing