Special Features:

Lens marked with legend msp-2 ready msp-2 not ready; maj comp: lamp module 1, lans plate 1, seal adapter 1, lamps 4, color filter 2, module housing 1, plunger stop 1

Properties:

Two or more different types of items having a common mounting or mounted on each other which together forms a portion of a switch but which in itself is not a complete functioning item and cannot be assigned a more definite item name. See also switch section, rotary and contact assembly, electrical.