AN316-4 thin hex check nut with 1/4-28 thread. Used as locking device for plain nuts, half the tension load capacity of AN315 nuts.AN316-4 - Thin check nut, 1/4-28 threadSKU: AN316-4$1.00PriceMaterialSteelFinishCadmium PlatedDrill OptionN/AQuantity*Add to CartSpecificationsAN316-4Cross ReferencesAN316-4Technical Details1/4-28ApplicationsAN315/AN316 Hex Nuts