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