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 7035-01-425-8063
NSN 5925-01-400-0821
NSN 5990-01-069-4604
NSN 5960-00-769-7629
NSN 6135-00-368-5578
NSN 5895-01-624-8566
NSN 5965-00-728-6734
NSN 5945-01-097-6542
NSN 6645-00-542-1734
NSN 5945-00-276-9261
NSN 5895-01-149-3825
NSN 6145-01-495-9306