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 5925-01-281-6507
NSN 5985-01-340-5777
NSN 6645-00-258-8547
NSN 6110-01-063-7423
NSN 6135-01-566-1034
NSN 5996-00-880-5340
NSN 6110-00-429-4777
NSN 5965-01-620-4741
NSN 6220-00-455-2414
NSN 5999-00-057-9044
NSN 6610-01-422-9508
NSN 6240-00-145-8167