LOCKNUT/Flanged, 10-32 MS21042L3 pack of 100LOCKNUT/Flanged, 10-32Self-locking nut, reduced HEX and HEIG dry film lubricant, 10-32High temperature up to 450_FNon-corrosiveCarbon steel per specification QQ-P-416C. Product CodesMfr Part No:MS21042L3MIL SPEC:MS21042L3ECCN:EAR99MIL SPEC:MS21042L3SCHEDUL..