2a thread class right-hand 2.312" overall length 0.750" overall width 32 thread quantity per inch item must comply with requirements of desc production standard no. L02106; for navy nuclear propulsion plant products only unc thread series
2a thread class right-hand 2.719" overall length 1.234" overall width item must comply with requirements of desc production standard no. L02172; for navy nuclear propulsion plant products only unc thread series