3a thread class right-hand 0.376" thread length hexagon head style 0.047" grip length 32 thread quantity per inch navy special project plastic polytetrafluoroethylene primary washer rubber butadiene-acrylonitrile class nbr ring passivate fastener surface treated unf thread series
3a thread class right-hand 0.436" thread length hexagon head style 4.172" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.250" thread length hexagon head style 0.047" hole diameter 0.312" grip length 36 thread quantity per inch unf thread series
3a thread class right-hand 1.031" thread length hexagon head style 0.065" hole diameter 4.359" grip length 10 thread quantity per inch drill 0.188 in. hole in center of head cadmium surface treated unc thread series
