2a thread class right-hand 2.625" overall length 0.438" overall width 40 thread quantity per inch item must comply with requirements of desc production standard no. L02267, for navy nuclear propulsion plant products only unc thread series
Used on aircraft, eagle f-15, f-111, viking s-3b; strategic weapon systems (poseidon and trident). 2.187" overall length 0.437" overall width weapon system essential