The invention relates to the field of systems for locking {TAIL ~ a torqued fastener} in place and providing {HEAD ~ indication} thereof and, particularly, to one suitable for use in an oxygen rich environment 
The invention relates to the field of systems for locking { TAIL ~ a torqued fastener } in place and providing { HEAD ~ indication } thereof and , particularly , to one suitable for use in an oxygen rich environment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH