O-rings, sometimes called a packing or toric joint, is used to compress between two parts to create a seal at the joint. These o-rings can be found in a number or materials and heat ranges to ensure they stand up to the needs of the aerospace industry. Monroe Aerospace is a stocking distributor of o-rings as well as other Aerospace and Mil-Spec hardware. We have an extensive inventory of o-rings. Every part that we sell is in Factory new (FN) condition and we provide our company’s certificate of conformance for all parts on every order. See below for our products.