Special Features:

Accommodates t 1-3/4 midget flange base lamp; color red; legend reads oap 1; maj comp: base assembly 1, diffuser 1, cap 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.