Used on 6115-01-296-1463; generator set,diesel engine. right-hand 13 thread quantity per inch nut, plain, hexagon (jam) , unc-2b finish: black oxide oxide surface treated
Used on 3835-01-511-7335; mrap - cougar ambulance. 2b thread class right-hand 20 thread quantity per inch type 300 series stainless steel hex nut mil. spec MS51971-1 material: 300 series steel passivate surface treated
Used on end item nsn: 3835-01-511-7335 tactical pol distribution equipment. 2b thread class right-hand 16 thread quantity per inch 18-8 stainless steel machine screw nut
3b thread class right-hand 20 thread quantity per inch nut, plain, hexagon, drilled jam, thin nut has 3 .045 to .505 holes drilled in 3 of the six nut points