2b single mounting facility thread class 0.750" overall length 0.500" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
3a single threaded bushing thread class 0.375" single threaded bushing thread length 3.687" overall length 24 single threaded bushing thread quantity per inch cylindrical w/flange unf single threaded bushing thread series
2a thread class 0.562" overall length 0.408" overall width 40 thread quantity per inch black oxide finish on actuator, bushing, and facenut uns thread series