2a single mounting facility thread class 0.430" single mounting facility thread length 4.630" overall length tap, circular, bushing mount unef single mounting facility thread series
2b single threaded bushing thread class 0.375" single threaded bushing thread length 3.171" overall length 24 single threaded bushing thread quantity per inch cylindrical w/flange unf single threaded bushing thread series
32 single mounting facility thread quantity per inch eight dummy lugs front ea section located between ea live contact unc single mounting facility thread series