2b second mounting facility thread class right-hand second mounting facility 3.250" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 2.937" overall length item must comply with requirements of desc production standard no. L02459; for navy nuclear propulsion plant products only tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 3.629" overall length tap, circular, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 6.094" overall length 24 single mounting facility thread quantity per inch item must comply with requirements of defense supply center columbus production standard no. LO2449 tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 7.750" overall length 2.812" overall width 24 single mounting facility thread quantity per inch item must comply with requirements of desc production standard no. L02441; for navy nuclear propulsion plant products only tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 4.094" overall length 2.812" overall width 24 single mounting facility thread quantity per inch item must comply with requirements of defense supply center columbus production standard no. LO2443 tap, circuit selector unc single mounting facility thread series