Used on p-8 aircraft. 3b thread class right-hand 28 thread quantity per inch nut, plate, self-locking, one lug, plain, 450 f deg cadmium surface treated
Used on isil rq-21a. 0.109" hole diameter 0.266" outside diameter 0.020" material thickness navy: washer, retaining; cage: off-white nylon self-retaining washer material is nylon 6/6; for use with screw size: no. 4/ M3; temperature: M40.o/P185.0 degree f countersink internal teeth
