2a thread class right-hand 1.938" overall length 1.500" overall width 18 thread quantity per inch mil std no. MS3102-20-27p modified by tapping of four holes in flange with 6-32 unc thds unef thread series
2a thread class right-hand 1.938" overall length 1.375" overall width mil std no. MS3102-18-1p modified by tapping of four holes in flange with 6-32 unc thds unef thread series
2a thread class right-hand 1.191" overall length 1.281" overall width 18 thread quantity per inch mil std no. MS3102-16s-4p modified by tapping of four holes in flange with 6-32 unc thds unef thread series