3a single threaded bushing thread class 0.562" overall length 0.562" overall width 40 single threaded bushing thread quantity per inch cylindrical w/flange unc single threaded bushing thread series
2a single mounting facility thread class 0.430" single mounting facility thread length 2.190" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.440" single mounting facility thread length 3.640" overall length 2pdt momentary switch on rear of rotary switch actuated by pushing shaft tap, circular, bushing mount unef single mounting facility thread series