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 5910-01-388-4511
NSN 5925-01-159-2014
NSN 5835-00-998-5757
NSN 6220-00-987-5638
NSN 6150-01-399-6207
NSN 6145-00-235-2564
NSN 5895-01-415-3732
NSN 6150-00-300-0395
NSN 5996-00-755-2078
NSN 5985-01-549-1952
NSN 5895-01-528-6831
NSN 5996-01-137-6008