Used on radiacmeter. 2b thread class right-hand 32 thread quantity per inch u-nut multi thread style lugs material .25" thick 1050 spring steel, rockwell C42-50, thread 8-32 unc
2b thread class right-hand 20 thread quantity per inch nut has shoulder height of 0.125". the chamfer of this nut is .020" X45 degrees to eliminate a local stress concentration at the tip of the nut. this nut is dyed bright blue to make it easily distinguishable.