2a thread class right-hand 0.750" thread length 2.100" overall length 24 thread quantity per inch navy special project phosphate zinc surface treated round, closed unf thread series
3a thread class right-hand 0.170" thread length flat chamfer head style 40 thread quantity per inch passivate fastener surface treated unrc thread series
Used on aircraft, galaxy c-5. 3a thread class right-hand 0.121" thread length pan head style 56 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.875" thread length hexagon head style 0.078" hole diameter 13 thread quantity per inch undercut for thread relief unc thread series
2a thread class right-hand 0.359" thread length knurled no. 1 head style 28 thread quantity per inch cone point 82 deg of angle passivate surface treated unf thread series
3a thread class right-hand 0.297" thread length fillister head style 32 thread quantity per inch slotted head passivate fastener surface treated unc thread series
3a thread class right-hand 0.775" thread length hexagon head style 0.094" hole diameter 20 thread quantity per inch phosphate surface treated unc thread series
2a thread class right-hand 0.169" thread length watertight head style 40 thread quantity per inch passivate screw surface treated furnished with one fluorosilicone rubber o ring permil-r-25988 unc thread series
