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 6110-01-174-4422
NSN 6220-00-006-5157
NSN 5915-01-553-4392
NSN 6650-01-426-4253
NSN 5925-01-634-0664
NSN 6240-00-079-1759
NSN 5905-00-797-4903
NSN 6105-00-455-8879
NSN 4140-00-736-8813
NSN 5945-01-617-4572
NSN 6240-00-500-4404
NSN 6130-01-316-7066