You required item 42 is Coupler (FBT),like the attached photo.You do not indicate clear input side use FC/PC or LC/PC connector? also output side use FC/PC or LC/PC connector?
42. FBT FC/PC-LC/PC Copler/Splitter,(50:50), PVC=Yellow,L= 10 M Ø=2
Awaiting for your prompt reply.