a spring mounted in said box end, said spring having a first end and a second end, said {HEAD ~ spring} arranged radially relative to {TAIL ~ said axis} of said box type end 
a spring mounted in said box end , said spring having a first end and a second end , said { HEAD ~ spring } arranged radially relative to { TAIL ~ said axis } of said box type end
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH