Genuine Lucas Classic Ignition Switch body 30608.
As used on many late 1960’s/early 1970’s models, including :-
AJS,Matchless 750cc
BSA B25,C25,B40,B44,A65,A75
Norton Atlas,Commando (-1970)
Triumph T100,TR25,TR5,TR6,T120,T140 etc
OEM: LU30608,99-0558,60-0989,19-1775