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 6145-01-568-8543
NSN 5910-01-648-6405
NSN 6110-01-272-7073
NSN 5965-01-502-3030
NSN 6240-01-592-3176
NSN 6145-01-310-4023
NSN 5920-01-406-2876
NSN 5985-01-468-0709
NSN 5965-01-420-6613
NSN 5920-01-276-5539
NSN 6650-01-168-8451
NSN 7035-01-169-1166