2a thread class right-hand 1.500" overall length any acceptable overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
2a thread class 40 thread quantity per inch item must comply with requirements of desc production standard no. L02241, for navy nuclear propulsion plant products only uns thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 0.992" overall length snap or line unf single mounting facility thread series