Used on F-15S. 3a thread class right-hand 0.308" thread length hexagon head style 2.976" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
Used on F-15S. 3a thread class right-hand 0.589" thread length spline extended washer head style 0.178" grip length 24 thread quantity per inch next assy 116219-5&6, 116000-4:model no 830, 831:altered item drawing makfrom MS21297-05003 cadmium surface treated unjf thread series
3a thread class right-hand 0.495" grip length 5380 double pounds per square inch shear strength powder blast top of head, with color white on thread end. for repair work only, .0156 oversized. unjf thread series
3a thread class right-hand 0.307" grip length 5380 double pounds per square inch shear strength powder blast top of head, with color white on thread end. for repair work only, .0156 oversized part. unjf thread series
2a thread class right-hand 0.187" thread length flat countersunk undercut head style 32 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.250" thread length knurled no. 6 head style 20 thread quantity per inch medium diamond knurled .500 passivate surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.470" grip length drive nut mild steel color blue with corrosion retardent coating passivate sleeve surface treated