2a single mounting facility thread class 0.437" single mounting facility thread length 3.683" overall length item must comply with requirements of desc production standard no. L02609; for navy nuclear propulsion plant products only tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.438" single mounting facility thread length 2.275" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.417" single mounting facility thread length 2.984" overall length tap, circular, bushing mount unef single mounting facility thread series
2b all threaded stud thread class 0.271" all threaded stud thread length 32 all threaded stud thread quantity per inch disc unc all threaded stud thread series
3a single pressure connection thread class 0.479" single pressure connection thread length 1.674" overall length 0.375" single connection outside diameter 24 single pressure connection thread quantity per inch cylindrical unf single pressure connection thread series