The 212983-2 is a seal plug connector component manufactured by TE Connectivity for ECMSC (Environmental Connector Molded Seal Component) applications. The product features precision-engineered dimensions with a maximum height of 0.070 inches and multiple radii specifications (R.025, R.060, R.010, and 4X R.015) to ensure proper sealing and fit within connector assemblies. Key dimensional specifications include a bore diameter of 0.180±0.010 inches and a pilot diameter of 0.120 inches, with additional bore tolerance of 0.105 inches. This seal plug is commonly used in environmental sealing applications where reliable moisture and contamination protection is required in connector systems.