{HEAD ~ An opening} in a first end of the shell enables {TAIL ~ a male center pin} to be inserted into the connector to make contact with the collette 
{ HEAD ~ An opening } in a first end of the shell enables { TAIL ~ a male center pin } to be inserted into the connector to make contact with the collette
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH