2b single mounting facility thread class right-hand single mounting facility 2.375" overall length 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 1.952" overall length 1.230" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
3a single threaded bushing thread class 0.394" single threaded bushing thread length 16 single threaded bushing thread quantity per inch unf single threaded bushing thread series