Lock Nut Dimensional Standards MIL-S-8879 NASM25027 Finish Plain Hex Height 3/64 in Hex Type Standard Light Hex Hex Width 1/4 in Lock Type Flexible Top Material Stainless Steel Material Grade/Class 18-8 Maximum Temperature 1 200 Degrees F Minimum Temperature -70 Degrees F Pack Size Small Pack Removable Yes Resistance Properties Corrosion Resistant Impact Resistant Shock and Vibration Resistant Temperature Resistant System of Measurement Inch Thread Direction Right Hand