MS77070-3 is a military-standard, stainless steel sealing plug. It is designed with a knurled outer hex head and threads, making it an easy-to-use, reusable component of watertight closure systems. The MS77070-3 is resistant to water and steam, ozone, and mildew, making it a great choice for automotive, aerospace, off-road, and marine applications. This lightweight, corrosion-resistant seal also makes a great choice for applications with tight space requirements.