The collette shape is such that the contacts between the collette and both the shell and the center pin are substantially at {TAIL ~ the opening} of {HEAD ~ the first end} of the shell 
The collette shape is such that the contacts between the collette and both the shell and the center pin are substantially at { TAIL ~ the opening } of { HEAD ~ the first end } of the shell
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH