Bearing surface shall be square to p.D. Of thread to within 0.001 t.I.R.
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5915-01-433-4216
NSN 5930-00-143-1017
NSN 7035-01-058-1935
NSN 6130-01-391-9754
NSN 4140-01-634-0330
NSN 5925-01-085-6444
NSN 5990-01-417-4402
NSN 6220-01-175-4345
NSN 5935-00-961-8577
NSN 2925-00-654-3206
NSN 6220-00-455-6306
NSN 5915-00-410-8874