3a thread class right-hand 0.250" thread length hexagon head style 28 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.174" thread length pan head style 40 thread quantity per inch cone point, optional passivate surface treated unc thread series
2a thread class right-hand knurled no. 1 head style 32 thread quantity per inch item comes with a stand-off 0.281 in. dia, 0.375 in. length; also with a retainer internally threaded 6-32 unc-2b by 0.300 in. long passivate surface treated unc thread series
2a thread class right-hand 0.310" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.250" thread length fillister head style 32 thread quantity per inch shim made of polytetrafluoroethylene oxide fastener surface treated unc thread series
3a thread class right-hand 0.184" thread length hexagon extended washer head style 32 thread quantity per inch passivate fastener surface treated unc thread series