Type C Rigid Conduit Body 3″, Aluminum, Threaded
https://testing.nsiindustries.com/product/type-c-rigid-conduit-body-3-aluminum-threaded/
Bridgeport Type C rigid conduit bodies allow access to the interior of a conduit system for inspection, pulling and routine maintenance. Threaded Type C conduit bodies are used for applications with rigid and intermediate metal conduit.