2a thread class right-hand 0.350" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 1.304" thread length knurled no. 1 head style 28 thread quantity per inch cone point passivate surface treated unf thread series
2a thread class right-hand 0.375" thread length pan head style 32 thread quantity per inch w/one fluorosilicone o-ring per mil-r-25988 oxide surface treated unf thread series
2a thread class right-hand 0.375" thread length pan head style 32 thread quantity per inch with one fluorosilicone o-ring per mil-r-25988 oxide surface treated unc thread series