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