2a single threaded bushing thread class 0.187" single threaded bushing thread length 32 single threaded bushing thread quantity per inch disc unc single threaded bushing thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 3.975" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 1.880" overall length 1.320" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series