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 6240-01-013-0794
NSN 6650-00-527-7451
NSN 5998-00-369-7050
NSN 6135-00-567-1322
NSN 7035-01-355-7284
NSN 6620-00-854-0961
NSN 7035-01-418-5499
NSN 5905-00-935-8597
NSN 5945-01-407-0385
NSN 5985-00-464-7044
NSN 6650-01-502-6761
NSN 2925-01-085-0691