Lock Nut Dimensional Standards MIL-S-8879 NASM25027 Finish Cadmium Plated Hex Height 9/16 in Hex Type Standard Light Hex Hex Width 1 1/4 in Lock Type Flexible Top Material Steel Material Grade/Class Grade 2 Maximum Temperature 1 200 Degrees F Minimum Temperature -70 Degrees F Pack Size Small Pack Removable Yes Resistance Properties Impact Resistant Shock and Vibration Resistant Temperature Resistant System of Measurement Inch Thread Direction Right Hand Thread Fit 3B