2b thread class right-hand 2.228" overall length 20 thread quantity per inch boot groove, no shield, ground ring supplied loose cadmium surface treated straight shape solid type unef thread series
2a single mounting facility thread class 0.312" single mounting facility thread length 2.607" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single threaded bushing thread class 0.250" single threaded bushing thread length 32 single threaded bushing thread quantity per inch disc unc single threaded bushing thread series
2a thread class right-hand 2.319" overall length 0.484" overall width 32 thread quantity per inch item must comply with requirements of defense supply center columbus production standard no. LO4059 unc thread series
2a thread class right-hand 3.859" overall length 1.984" overall width 32 thread quantity per inch item must comply with requirements of desc production standard no. L04057; for navy nuclear propulsion plant products only unc thread series