2a thread class right-hand 1.750" thread length hexagon head style 10 thread quantity per inch 3/4"-10X5" grade 8 yellow zinc hex cap screw material steel grade 8 zinc surface treated unc thread series
2a thread class right-hand 1.250" thread length hexagon head style 13 thread quantity per inch 1/2"-13 x 4-1/2" grade 8 yellow zinc hex cap screw material steel grade 8 zinc surface treated unc thread series
Used on mrap - cougar. 2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch 3/8" - 16 x 2-1/4" grade 8 yellow zinc hex cap screw material steel grade 8 zinc surface treated unc thread series
2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch 3/8" - 16 x 2" grade 8 yellow zinc hex cap screw material steel grade 8 zinc surface treated unc thread series
Used on mrap - unique nsn - mrap no permanent wsdc identified. right-hand 1.750" thread length 20 thread quantity per inch screw, assembled was 1/2-2NFX1-3/4 unf thread series
Used on b-52 aircraft. 3a thread class right-hand 0.625" thread length hexagon head style 28 thread quantity per inch cadmium surface treated unjf thread series