Used on manual worm gear operator quarter turn. 2a thread class right-hand 13 thread quantity per inch anti-galling compound lubricant per a-a-59004 unc thread series
Used on hatch,11x22,c. 2a thread class right-hand 1.000" thread length hexagon head style 13 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 1.250" thread length hexagon head style 13 thread quantity per inch screw, cap, hex hd 0.500-13unc-2AX1.750lg nicual unc thread series
Used on gauging assembly. 3a thread class right-hand 0.500" thread length pan no. 2 head style 20 thread quantity per inch screw, cap, self locking, socket head unrc thread series
Used on m24 sniper weapon system; mrap - cougar tow; mrap - cougar sabr/tow. 3a thread class right-hand 0.375" thread length fillister head style 32 thread quantity per inch material is grade 8 steel oxide surface treated unc thread series