2a thread class right-hand 0.250" thread length pan no. 2 head style 40 thread quantity per inch passivate screw surface treated fleet ballistic missile quality as identified by quality control no. POSO911890 unc thread series
2a thread class right-hand 0.437" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated fleet ballistic missile quality as identified by quality control no poso 911882 unc thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 0.062" hole diameter 28 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.840" thread length pan no. 2 head style 20 thread quantity per inch head is recessed 0.500 in. dia by 0.035 in. deep unf thread series
3a thread class right-hand 0.505" grip length 32 thread quantity per inch 160000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.380 centimeters grip length 32 thread quantity per inch 160000 single pounds per square inch shear strength cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.063" grip length anodize sleeve or chromate sleeve surface treated
3a nut thread thread class right-hand nut thread 0.330" stud thread thread length 1.990" overall length 32 nut thread thread quantity per inch internal threaded hole on shank end 0.1735 in. dia shouldered unjf nut thread thread series
