2b single mounting facility thread class 0.370" overall length 1.700" overall width 56 single mounting facility thread quantity per inch panel seal gasket provided rectangular indicating unc single mounting facility thread series
2a single mounting facility thread class 0.380" single mounting facility thread length 4.647" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.750" overall length 0.953" overall width circular wafer, bushing mount unef single mounting facility thread series
2a thread class right-hand 0.859" overall length 0.265" overall width 48 thread quantity per inch special screwlock hdw-stainless steel per fed spec s-763, type 303, passivated unc thread series