Insulated Grounding Bushing, 3-1/2″, Malleable Iron with Lug
https://dev.nsiindustries.com/product/insulated-grounding-bushing-3-1-2-malleable-iron-with-lug-3/
The Bridgeport 3-1/2″ Malleable Iron Insulated Grounding Bushing terminates conduit to 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.