3a single threaded bushing thread class 0.375" single threaded bushing thread length 4.781" overall length 14 single threaded bushing thread quantity per inch cylindrical w/flange unf single threaded bushing thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.062" overall length 1.125" overall width square wafer, panel mount unef single mounting facility thread series