Bridgeport 260-MSRT 1/2 IN Push-Emt Msrt Coupling, Box of 25
https://testing.nsiindustries.com/product/mighty-bite-push-emt-raintight-coupling-1-2-zinc/
The Bridgeport 1/2″ PUSH-EMT Raintight Coupling is used to establish a securely couple two lengths of EMT raceway in wet locations. Push-on installation makes this fitting easy to install and reuse the thread by unthreading and moving to another location.