Bridgeport Machines 158-DC 3-Inch Threaded Hub

Bridgeport 158-DC is a 3-inch trade-size, concretetight threaded hub designed to secure threaded rigid service entrance conduit to boxes or enclosures. The die-cast zinc body is ball burnished with a mirror-smooth finish and includes a Buna N sealing ring, while an insulated throat is rated to 105°C to maintain a reliable seal in high‑temperature environments. This hub is intended for IMC or rigid conduit (aluminum or steel) and carries UL 514B and CSA approvals, with an outer diameter of 3-13/16 inches and a length of 2-9/16 inches, delivering a watertight and concrete-tight connection. Sold in multipacks of five, Bridgeport's 158-DC is part of Bridgeport Fittings' Concretetight line for reliable, code-compliant conduit terminations.