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 5999-01-056-6529
NSN 2925-01-568-3705
NSN 5835-01-460-0582
NSN 5895-00-141-9127
NSN 2925-00-896-3752
NSN 7035-00-763-6180
NSN 5999-01-092-9773
NSN 5920-00-382-8849
NSN 6150-01-332-6018
NSN 6610-01-051-8484
NSN 6610-00-200-8832
NSN 6240-01-026-1376