Used on c5m eng trail. 2a thread class right-hand 2.250" thread length hexagon head style 8 thread quantity per inch medium strength steel cap screw - grade 5 per mcmaster carr part number has multiple sources zinc surface treated unc thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 0.615" grip length 32 thread quantity per inch self-locking with optional locking element cadmium surface treated unjf thread series
3a thread class right-hand straight pan head style 0.501" grip length 24 thread quantity per inch pin, crimp, protruding shear head chromate surface treated unjf thread series
Used on c5m eng trail. 2a thread class right-hand 1.750" thread length hexagon head style 10 thread quantity per inch medium strength steel cap screw - grade 5 per mcmaster carr part number has multiple sources zinc surface treated unc thread series
Used on cfm56-7b2713 engine. 3a thread class right-hand 1.000" thread length double hexagon w/hole head style 24 thread quantity per inch bolt, machine-double hexagon, extended washer head, corrosion unjf thread series
Used on kc-135 acft. 3a thread class right-hand 0.528" thread length flat countersunk head style 3.552" grip length 20 thread quantity per inch aluminum surface treated unjf thread series