Used on mercury 40hp lite manual start short shaft motor; mercury 25, 25 sea pro, super 15(2 cylinder) side cover bottom cowl assembly. fuel fitting mount screw
2a thread class right-hand 0.938" thread length flat chamfer head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
Used on 5340-01-487-7760. 6g thread class right-hand 16.0mm thread length class 8.8 zinc-plated steel hex head cap screw zinc surface treated m thread series
Used on 5340-01-487-7760. 2a thread class right-hand 0.750" thread length hexagon head style 18 thread quantity per inch grade 5 zinc-plated steel hex head cap screw zinc surface treated unc thread series
3a thread class right-hand 0.370" thread length flat countersunk head style 0.438" grip length 28 thread quantity per inch cadmium or chromate surface treated
Used on fighter aircraft-first (f-18 e/f). spline extended washer head style bolt, close tolerance, spline drive, cres (125 ksi fsu) drilled head. unjf-3a thread per mil-s-8879. head markings per NAS1347, type iv.
Used on 1520-01-106-9519. 3a thread class right-hand dee head style 0.190" hole diameter screw machine-aircraft, pan head, cruiform recess full point is flat unjf thread series