2b single mounting facility thread class right-hand single mounting facility 1.625" overall length 1.500" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class right-hand single mounting facility 1.988" overall length 1.062" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single threaded bushing thread class 0.373" overall length 28 single threaded bushing thread quantity per inch plug unf single threaded bushing thread series