2a single mounting facility thread class 0.375" single mounting facility thread length 3.282" overall length 0.938" overall width circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 5.563" overall length 2.250" overall width 32 single mounting facility thread quantity per inch tap, square frame unc single mounting facility thread series
2b single mounting facility thread class 7.094" overall length 4.125" overall width 20 single mounting facility thread quantity per inch auxiliary mounting method, rear support bracket, two 0.312 inch dia mounting holes, 3.812" distance between mounting hole centers tap, circuit selector unc single mounting facility thread series
4.125" overall length 18 single pressure connection thread quantity per inch four 1/4 in.-20 thd tapped mtg holes npt single pressure connection thread series
3b single pressure connection thread class 0.594" single pressure connection thread length 3.200" overall length 20 single pressure connection thread quantity per inch cylindrical w/mounting lugs unf single pressure connection thread series