An anti rotation device is associated with the nut operably engageable with {HEAD ~ the nut} to prevent {TAIL ~ its rotation} 
An anti rotation device is associated with the nut operably engageable with { HEAD ~ the nut } to prevent { TAIL ~ its rotation }
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