2a single mounting facility thread class 0.375" single mounting facility thread length 2.359" overall length 1.750" overall width circular wafer, bushing mount unef single mounting facility thread series
4.500" overall length 2.375" overall width 18 single pressure connection thread quantity per inch rectangular w/bracket npt single pressure connection thread series
2a thread class right-hand 2.906" overall length 1.188" overall width item must comply with requirements of desc production standard no. L02176, for navy nuclear propulsion plant products only unc thread series