REGISTERED FIT R008
An interference or sliding fit.
In this illustration the gland has a registered fit on the pump pilot diameter
The automotive industry uses an adapter with registered fits to align the transmission to the engine.
ANSI pumps use an adapter with registered fits to align the power end of the pump to the wet end.
The centrifugal pump “C or D frame adapter” has a registered fit with the bearing casing in some pump designs, to eliminate the need for doing a conventional, or laser alignment between the pump and its driver.