The DIALIGHT LC37RD2 is a robust red convex PMI cap specifically engineered for watertight indicator applications. Constructed with a polycarbonate lens cap shape and a diffusing cap finish, it provides excellent light transmission and visibility. The black nickel metal finish enhances its durability and resistance to corrosion. Compliant with MIL-L-3661B, this cap is suitable for demanding industrial environments requiring reliable indicator performance. It is designed for mounting with a nut and washer and accommodates a panel thickness of 11/64 inches.