2a thread class right-hand 1.938" overall length 2.000" overall width 18 thread quantity per inch angle bracket swaged to bottom two mtg. holes uns thread series
3.938" overall length 3.375" overall width 8 mtg holes; polarized; dim. excl terminals; mtg holes also spaced 1 in. x 1-1/4 in. x 1 in. c to c along lg dim.