2a single mounting facility thread class 0.375" single mounting facility thread length 1.438" overall length 0.953" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.666" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.562" overall length 0.953" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class right-hand single mounting facility 1.650" overall length 1.440" overall width 32 single mounting facility thread quantity per inch extra spdt contact arrangement in line with coils unc single mounting facility thread series
2a single mounting facility thread class 2.750" overall length 1.625" overall width 32 single mounting facility thread quantity per inch any acceptable surface treated edged strap, stud mounting open top unf single mounting facility thread series
2b single mounting facility thread class 3.125" overall length 2.812" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series