3b thread class right-hand flat countersunk head style 32 thread quantity per inch internal wrenching facility 0.156 in. width across flats by 0.090 in. min deep located on head passivate surface treated
3b thread class right-hand 16 thread quantity per inch used on c-130 nlg/used as undersize repair nuts that mate with (98897) 3303589-1 cadmium surface treated
