5/16-18 HEX JAM NUT

5/16-18 HEX JAM NUT for product code = 90035 PRO 1000 38AUTO/38SUPER,  90632 PRO 1000 10 MM AUTO,  90633 PRO 1000 223, 90634 PRO 1000 44SPL/44MAG,  90636 PRO 1000 38 SPL/357 MAG,  90638 PRO 1000 45 ACP,  90639 PRO 1000 32S&WL/H&R MAG,  90640 PRO 1000 9MM LUGER,  90641 PRO 1000 380 AUTO,  90642 PRO 1000 41 MAGNUM,  90643 PRO 1000 45 COLT,  90682 PRO 1000 40S&W, 90928 VALUE 4 HOLE TP KIT, 90932 4 HOLE TP WI AUTO INDEX, AND 90900 AUTO BREECH LOCK PRO.