2a single mounting facility thread class 0.375" single mounting facility thread length 1.667" overall length 1.609" overall width circular wafer, bushing mount unef single mounting facility thread series
Used on land combat support system (lcss); aircraft, hornet f/a-18; helicopter, sea knight h-46; forrestal class cv; aircraft, hercules c-130; aircraft,. 2a thread class right-hand 1.609" overall length 20 thread quantity per inch weapon system essential unef thread series