3a thread class right-hand 0.875" thread length hexagon head style 0.875" grip length 24 thread quantity per inch navy special project item has drilled shank unjf thread series
Used on wing aircraft. 2a thread class right-hand 0.141" thread length pan head style 32 thread quantity per inch passivate fastener surface treated unc thread series
Used on shipping and storage container. right-hand 1.016" thread length hexagon head style 13 thread quantity per inch navy) bolt, hex, (bumper cross, assembly for F404 rotor can) unc thread series