Industrial MS28775-387 O-Ring is a MIL-SPEC seal sized for large-diameter applications, with an 18" inner diameter and 18-3/8" outer diameter, and a 3/16" cross-section width. The exact ID, OD, and cross-section define its fit for assemblies specified to the MS28775-387 standard, ensuring compatibility with corresponding groove dimensions and sealing faces. As a MIL-SPEC O-ring, it is intended for use in equipment and interfaces that require this specific size, providing a reliable seal between mating surfaces that meet the MS28775-387 specification.
