Insulated Grounding Bushing, 4″, Malleable Iron with Lug
https://testing.nsiindustries.com/product/insulated-grounding-bushing-4-malleable-iron-with-lug-2/
The Bridgeport 4″ Malleable Iron Insulated Grounding Bushing terminates conduit to a cabinet with a locknut. The bushing features a plastic metaliner preventing damage to wire insulation and a 6 to 250 lug for bonding a jumper to a neutral busbar.