MS17826-7 thin self-locking castellated nut with 7/16-20 thread. Dual safety features for critical control system applications.MS17826-7 - Thin self-locking castle nut, 7/16-20SKU: MS17826-7$1.00PriceMaterialAlloy SteelFinishCadmium PlatedDrill OptionN/AQuantity*Add to CartSpecificationsMS17826-7Cross ReferencesMS17826-7Technical Details7/16-20ApplicationsMS17826 Self-Locking Nuts