2a single mounting facility thread class 0.250" single mounting facility thread length 1.093" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.938" overall length 0.937" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.877" overall length 1.297" overall width two dummy terminals on rear of section one circular wafer, bushing mount unef single mounting facility thread series