If the first member is not counter bored to provide a retaining shoulder 50 as shown in FIG 4, Prior to assembly, any necessary annular grooves are defined in {TAIL ~ member} 11 or {HEAD ~ member} 13 to receive retaining snap rings 51 
If the first member is not counter bored to provide a retaining shoulder 50 as shown in FIG 4 , Prior to assembly , any necessary annular grooves are defined in { TAIL ~ member } 11 or { HEAD ~ member } 13 to receive retaining snap rings 51
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH