Type LB Combination Conduit Body with Cover and Gasket 1″
https://nsiindustries.com/product/type-lb-combination-conduit-body-with-cover-and-gasket-1/
Bridgeport Type LB combination conduit bodies allow access to the interior of a conduit system for inspection, pulling and maintenance. A combined set screw and NPT threaded design allows for use with rigid conduit, IMC and EMT.