2a thread class right-hand 0.551" thread length oval countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.630" thread length double hexagon extended washer head style 32 thread quantity per inch thread is a safety critical thread in accordance with mil-s-8879 under application category safety critical. apply one coat of mil-p-23377, ty 1, cl 1 or 3 unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.2820" grip length 3150 single pounds per square inch shear strength passivate sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.720" grip length furnished with steel drive nut, color gray, corrosion resistant coating. complete top surface of head of nut shall be powder blasted. passivate sleeve surface treated