Slots in upper portion
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 6145-00-596-8447
NSN 6650-01-092-4525
NSN 6620-00-701-3575
NSN 6220-01-571-8879
NSN 5920-01-018-4776
NSN 5975-01-415-0068
NSN 5920-00-276-8657
NSN 2925-01-473-9544
NSN 6610-00-053-9565
NSN 5998-00-245-9488
NSN 5930-01-125-2113
NSN 5855-01-519-7929