Axial movement of the pin beyond a predetermined range is restricted by {HEAD ~ snap rings} fitted on {TAIL ~ the both ends} of the pin 
fitted on
Axial movement of the pin beyond a predetermined range is restricted by { HEAD ~ snap rings } fitted on { TAIL ~ the both ends } of the pin
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH